./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/byte_add_2-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/byte_add_2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f396832a7fd6adfd59ab9c94f7793bcfe6b37193013b9655a845b3ca447ca9b 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:20:54,270 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:20:54,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:20:54,344 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:20:54,345 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:20:54,351 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:20:54,353 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:20:54,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:20:54,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:20:54,368 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:20:54,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:20:54,372 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:20:54,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:20:54,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:20:54,378 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:20:54,384 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:20:54,386 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:20:54,387 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:20:54,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:20:54,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:20:54,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:20:54,405 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:20:54,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:20:54,411 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:20:54,416 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:20:54,416 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:20:54,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:20:54,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:20:54,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:20:54,422 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:20:54,423 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:20:54,424 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:20:54,426 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:20:54,428 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:20:54,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:20:54,430 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:20:54,431 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:20:54,431 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:20:54,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:20:54,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:20:54,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:20:54,434 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:20:54,485 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:20:54,485 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:20:54,486 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:20:54,486 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:20:54,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:20:54,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:20:54,488 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:20:54,488 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:20:54,488 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:20:54,489 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:20:54,489 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:20:54,489 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:20:54,490 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:20:54,490 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:20:54,490 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:20:54,490 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:20:54,491 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:20:54,491 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:20:54,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:20:54,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:20:54,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:20:54,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:20:54,492 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:20:54,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:20:54,493 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:20:54,493 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:20:54,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:20:54,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:20:54,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:20:54,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:20:54,504 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:20:54,504 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:20:54,506 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:20:54,506 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f396832a7fd6adfd59ab9c94f7793bcfe6b37193013b9655a845b3ca447ca9b [2021-10-28 09:20:54,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:20:54,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:20:54,866 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:20:54,867 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:20:54,868 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:20:54,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-10-28 09:20:54,980 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/data/bddc3e01d/121e115cee06482fa4684116608ee515/FLAG6718cb880 [2021-10-28 09:20:55,535 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:20:55,536 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/sv-benchmarks/c/bitvector/byte_add_2-2.i [2021-10-28 09:20:55,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/data/bddc3e01d/121e115cee06482fa4684116608ee515/FLAG6718cb880 [2021-10-28 09:20:55,843 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/data/bddc3e01d/121e115cee06482fa4684116608ee515 [2021-10-28 09:20:55,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:20:55,847 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:20:55,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:20:55,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:20:55,854 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:20:55,855 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:20:55" (1/1) ... [2021-10-28 09:20:55,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27469e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:55, skipping insertion in model container [2021-10-28 09:20:55,857 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:20:55" (1/1) ... [2021-10-28 09:20:55,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:20:55,891 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:20:56,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/sv-benchmarks/c/bitvector/byte_add_2-2.i[863,876] [2021-10-28 09:20:56,148 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:20:56,159 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:20:56,175 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/sv-benchmarks/c/bitvector/byte_add_2-2.i[863,876] [2021-10-28 09:20:56,203 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:20:56,219 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:20:56,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56 WrapperNode [2021-10-28 09:20:56,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:20:56,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:20:56,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:20:56,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:20:56,232 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,272 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:20:56,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:20:56,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:20:56,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:20:56,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,286 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,306 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:20:56,307 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:20:56,307 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:20:56,307 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:20:56,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (1/1) ... [2021-10-28 09:20:56,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:20:56,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:20:56,364 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:20:56,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:20:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:20:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:20:56,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:20:56,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:20:56,771 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:20:56,771 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-28 09:20:56,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:20:56 BoogieIcfgContainer [2021-10-28 09:20:56,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:20:56,776 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:20:56,776 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:20:56,780 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:20:56,781 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:20:56,781 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:20:55" (1/3) ... [2021-10-28 09:20:56,783 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7234ca61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:20:56, skipping insertion in model container [2021-10-28 09:20:56,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:20:56,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:20:56" (2/3) ... [2021-10-28 09:20:56,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7234ca61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:20:56, skipping insertion in model container [2021-10-28 09:20:56,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:20:56,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:20:56" (3/3) ... [2021-10-28 09:20:56,786 INFO L389 chiAutomizerObserver]: Analyzing ICFG byte_add_2-2.i [2021-10-28 09:20:56,839 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:20:56,839 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:20:56,839 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:20:56,840 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:20:56,840 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:20:56,840 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:20:56,840 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:20:56,840 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:20:56,859 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:56,884 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-10-28 09:20:56,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:56,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:56,893 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:20:56,894 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:56,894 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:20:56,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:56,902 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 23 [2021-10-28 09:20:56,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:56,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:56,904 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 09:20:56,904 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:56,912 INFO L791 eck$LassoCheckResult]: Stem: 21#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 11#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 6#L51true assume !(0 == mp_add_~a3~0 % 256); 14#L51-1true mp_add_~nb~0 := 4; 7#L61true assume !(0 == mp_add_~b3~0 % 256); 17#L61-1true mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 12#L72-2true [2021-10-28 09:20:56,913 INFO L793 eck$LassoCheckResult]: Loop: 12#L72-2true assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 34#L75true assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 36#L75-1true assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 27#L81true assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 13#L87-1true assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 9#L91-1true assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 10#L92-1true assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 19#L93-1true assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 16#L94-1true mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12#L72-2true [2021-10-28 09:20:56,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:56,920 INFO L85 PathProgramCache]: Analyzing trace with hash 889938151, now seen corresponding path program 1 times [2021-10-28 09:20:56,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:56,931 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076379217] [2021-10-28 09:20:56,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:56,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:57,128 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:20:57,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:20:57,254 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:20:57,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:57,258 INFO L85 PathProgramCache]: Analyzing trace with hash 318197182, now seen corresponding path program 1 times [2021-10-28 09:20:57,258 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:57,259 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471524235] [2021-10-28 09:20:57,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:57,259 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:57,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:57,369 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:57,370 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471524235] [2021-10-28 09:20:57,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471524235] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:20:57,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:20:57,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:20:57,372 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186394364] [2021-10-28 09:20:57,377 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:20:57,378 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:20:57,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:20:57,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:20:57,399 INFO L87 Difference]: Start difference. First operand has 41 states, 40 states have (on average 1.75) internal successors, (70), 40 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:57,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:20:57,586 INFO L93 Difference]: Finished difference Result 64 states and 94 transitions. [2021-10-28 09:20:57,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:20:57,589 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 94 transitions. [2021-10-28 09:20:57,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 41 [2021-10-28 09:20:57,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 56 states and 86 transitions. [2021-10-28 09:20:57,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-10-28 09:20:57,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 56 [2021-10-28 09:20:57,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 86 transitions. [2021-10-28 09:20:57,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:20:57,604 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 86 transitions. [2021-10-28 09:20:57,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 86 transitions. [2021-10-28 09:20:57,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2021-10-28 09:20:57,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 53 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 84 transitions. [2021-10-28 09:20:57,641 INFO L704 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-10-28 09:20:57,642 INFO L587 BuchiCegarLoop]: Abstraction has 54 states and 84 transitions. [2021-10-28 09:20:57,642 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:20:57,642 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 84 transitions. [2021-10-28 09:20:57,645 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 09:20:57,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:57,645 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:57,646 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:57,647 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:57,647 INFO L791 eck$LassoCheckResult]: Stem: 134#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 124#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 114#L51 assume !(0 == mp_add_~a3~0 % 256); 115#L51-1 mp_add_~nb~0 := 4; 117#L61 assume !(0 == mp_add_~b3~0 % 256); 118#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 125#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 126#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 146#L75-1 [2021-10-28 09:20:57,647 INFO L793 eck$LassoCheckResult]: Loop: 146#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 140#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 128#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 121#L91-1 assume !(1 == mp_add_~i~0 % 256); 122#L92-1 assume !(2 == mp_add_~i~0 % 256); 123#L93-1 assume !(3 == mp_add_~i~0 % 256); 131#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 132#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 158#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 159#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 151#L76-2 assume !(1 == mp_add_~i~0 % 256); 160#L77-1 assume !(2 == mp_add_~i~0 % 256); 145#L78-1 assume !(3 == mp_add_~i~0 % 256); 146#L75-1 [2021-10-28 09:20:57,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:57,649 INFO L85 PathProgramCache]: Analyzing trace with hash 532072804, now seen corresponding path program 1 times [2021-10-28 09:20:57,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:57,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251096532] [2021-10-28 09:20:57,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:57,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:57,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:57,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:57,967 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:57,968 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251096532] [2021-10-28 09:20:57,968 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251096532] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:20:57,968 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:20:57,969 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:20:57,969 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590299770] [2021-10-28 09:20:57,970 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:20:57,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:57,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 1 times [2021-10-28 09:20:57,971 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:57,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024354146] [2021-10-28 09:20:57,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:57,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:57,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:58,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:58,123 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:58,123 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024354146] [2021-10-28 09:20:58,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024354146] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:20:58,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:20:58,125 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:20:58,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820324116] [2021-10-28 09:20:58,132 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:20:58,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:20:58,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:20:58,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:20:58,138 INFO L87 Difference]: Start difference. First operand 54 states and 84 transitions. cyclomatic complexity: 32 Second operand has 5 states, 4 states have (on average 2.0) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:58,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:20:58,570 INFO L93 Difference]: Finished difference Result 149 states and 228 transitions. [2021-10-28 09:20:58,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:20:58,571 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 149 states and 228 transitions. [2021-10-28 09:20:58,577 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 108 [2021-10-28 09:20:58,580 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 149 states to 149 states and 228 transitions. [2021-10-28 09:20:58,581 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 149 [2021-10-28 09:20:58,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 149 [2021-10-28 09:20:58,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 149 states and 228 transitions. [2021-10-28 09:20:58,584 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:20:58,584 INFO L681 BuchiCegarLoop]: Abstraction has 149 states and 228 transitions. [2021-10-28 09:20:58,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states and 228 transitions. [2021-10-28 09:20:58,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 78. [2021-10-28 09:20:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 77 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 113 transitions. [2021-10-28 09:20:58,596 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 113 transitions. [2021-10-28 09:20:58,596 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 113 transitions. [2021-10-28 09:20:58,596 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:20:58,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 113 transitions. [2021-10-28 09:20:58,598 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 09:20:58,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:58,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:58,600 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:58,600 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:58,600 INFO L791 eck$LassoCheckResult]: Stem: 351#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 341#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 332#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 334#L53 assume !(0 == mp_add_~a2~0 % 256); 368#L51-1 mp_add_~nb~0 := 4; 335#L61 assume !(0 == mp_add_~b3~0 % 256); 336#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 378#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 379#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 400#L75-1 [2021-10-28 09:20:58,600 INFO L793 eck$LassoCheckResult]: Loop: 400#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 366#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 342#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 329#L91-1 assume !(1 == mp_add_~i~0 % 256); 330#L92-1 assume !(2 == mp_add_~i~0 % 256); 331#L93-1 assume !(3 == mp_add_~i~0 % 256); 346#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 347#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 376#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 369#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 352#L76-2 assume !(1 == mp_add_~i~0 % 256); 353#L77-1 assume !(2 == mp_add_~i~0 % 256); 354#L78-1 assume !(3 == mp_add_~i~0 % 256); 400#L75-1 [2021-10-28 09:20:58,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:58,601 INFO L85 PathProgramCache]: Analyzing trace with hash -384676570, now seen corresponding path program 1 times [2021-10-28 09:20:58,602 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:58,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209239381] [2021-10-28 09:20:58,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:58,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:58,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:58,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209239381] [2021-10-28 09:20:58,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209239381] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:20:58,771 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:20:58,771 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:20:58,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869493174] [2021-10-28 09:20:58,772 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:20:58,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:58,775 INFO L85 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 2 times [2021-10-28 09:20:58,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:58,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468966262] [2021-10-28 09:20:58,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:58,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:58,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:58,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:58,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:58,922 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468966262] [2021-10-28 09:20:58,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468966262] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:20:58,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:20:58,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:20:58,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126596793] [2021-10-28 09:20:58,924 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:20:58,925 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:20:58,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:20:58,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:20:58,927 INFO L87 Difference]: Start difference. First operand 78 states and 113 transitions. cyclomatic complexity: 37 Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:59,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:20:59,462 INFO L93 Difference]: Finished difference Result 226 states and 344 transitions. [2021-10-28 09:20:59,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:20:59,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 344 transitions. [2021-10-28 09:20:59,467 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 161 [2021-10-28 09:20:59,471 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 226 states and 344 transitions. [2021-10-28 09:20:59,471 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 226 [2021-10-28 09:20:59,472 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 226 [2021-10-28 09:20:59,472 INFO L73 IsDeterministic]: Start isDeterministic. Operand 226 states and 344 transitions. [2021-10-28 09:20:59,474 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:20:59,475 INFO L681 BuchiCegarLoop]: Abstraction has 226 states and 344 transitions. [2021-10-28 09:20:59,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states and 344 transitions. [2021-10-28 09:20:59,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 78. [2021-10-28 09:20:59,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.4487179487179487) internal successors, (113), 77 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:20:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 113 transitions. [2021-10-28 09:20:59,486 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 113 transitions. [2021-10-28 09:20:59,486 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 113 transitions. [2021-10-28 09:20:59,486 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:20:59,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 113 transitions. [2021-10-28 09:20:59,487 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 09:20:59,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:20:59,488 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:20:59,488 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:59,488 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:20:59,489 INFO L791 eck$LassoCheckResult]: Stem: 669#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 662#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 653#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 655#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 684#L55 assume !(0 == mp_add_~a1~0 % 256); 685#L51-1 mp_add_~nb~0 := 4; 702#L61 assume !(0 == mp_add_~b3~0 % 256); 699#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 697#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 698#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 717#L75-1 [2021-10-28 09:20:59,489 INFO L793 eck$LassoCheckResult]: Loop: 717#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 715#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 709#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 708#L91-1 assume !(1 == mp_add_~i~0 % 256); 707#L92-1 assume !(2 == mp_add_~i~0 % 256); 705#L93-1 assume !(3 == mp_add_~i~0 % 256); 703#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 694#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 695#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 686#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 672#L76-2 assume !(1 == mp_add_~i~0 % 256); 673#L77-1 assume !(2 == mp_add_~i~0 % 256); 726#L78-1 assume !(3 == mp_add_~i~0 % 256); 717#L75-1 [2021-10-28 09:20:59,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:59,490 INFO L85 PathProgramCache]: Analyzing trace with hash -2089936051, now seen corresponding path program 1 times [2021-10-28 09:20:59,490 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:59,490 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [161321433] [2021-10-28 09:20:59,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:59,491 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:59,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:59,691 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:59,691 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [161321433] [2021-10-28 09:20:59,691 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [161321433] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:20:59,691 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:20:59,692 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:20:59,692 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310174643] [2021-10-28 09:20:59,692 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:20:59,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:20:59,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 3 times [2021-10-28 09:20:59,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:20:59,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969045563] [2021-10-28 09:20:59,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:20:59,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:20:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:20:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:20:59,749 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:20:59,749 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969045563] [2021-10-28 09:20:59,750 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969045563] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:20:59,750 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:20:59,750 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:20:59,750 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3695001] [2021-10-28 09:20:59,751 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:20:59,751 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:20:59,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:20:59,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:20:59,752 INFO L87 Difference]: Start difference. First operand 78 states and 113 transitions. cyclomatic complexity: 37 Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:00,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:00,834 INFO L93 Difference]: Finished difference Result 318 states and 453 transitions. [2021-10-28 09:21:00,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 09:21:00,835 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 318 states and 453 transitions. [2021-10-28 09:21:00,839 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 195 [2021-10-28 09:21:00,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 318 states to 318 states and 453 transitions. [2021-10-28 09:21:00,844 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 318 [2021-10-28 09:21:00,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 318 [2021-10-28 09:21:00,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 318 states and 453 transitions. [2021-10-28 09:21:00,846 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:00,846 INFO L681 BuchiCegarLoop]: Abstraction has 318 states and 453 transitions. [2021-10-28 09:21:00,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states and 453 transitions. [2021-10-28 09:21:00,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 85. [2021-10-28 09:21:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 85 states have (on average 1.4470588235294117) internal successors, (123), 84 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:00,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 123 transitions. [2021-10-28 09:21:00,857 INFO L704 BuchiCegarLoop]: Abstraction has 85 states and 123 transitions. [2021-10-28 09:21:00,857 INFO L587 BuchiCegarLoop]: Abstraction has 85 states and 123 transitions. [2021-10-28 09:21:00,858 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 09:21:00,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 85 states and 123 transitions. [2021-10-28 09:21:00,859 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-28 09:21:00,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:00,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:00,860 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:00,860 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:00,860 INFO L791 eck$LassoCheckResult]: Stem: 1098#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 1087#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1080#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1082#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1111#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1112#L51-1 mp_add_~nb~0 := 4; 1129#L61 assume !(0 == mp_add_~b3~0 % 256); 1126#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1124#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1125#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 1107#L75-1 [2021-10-28 09:21:00,861 INFO L793 eck$LassoCheckResult]: Loop: 1107#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1104#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 1090#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 1077#L91-1 assume !(1 == mp_add_~i~0 % 256); 1078#L92-1 assume !(2 == mp_add_~i~0 % 256); 1079#L93-1 assume !(3 == mp_add_~i~0 % 256); 1096#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1121#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1122#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1116#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1103#L76-2 assume !(1 == mp_add_~i~0 % 256); 1099#L77-1 assume !(2 == mp_add_~i~0 % 256); 1100#L78-1 assume !(3 == mp_add_~i~0 % 256); 1107#L75-1 [2021-10-28 09:21:00,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:00,861 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194353, now seen corresponding path program 1 times [2021-10-28 09:21:00,862 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:00,862 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551473227] [2021-10-28 09:21:00,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:00,863 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:00,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:00,994 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:00,994 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551473227] [2021-10-28 09:21:00,995 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551473227] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:00,995 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:00,995 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:21:00,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055734276] [2021-10-28 09:21:00,996 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:21:00,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:00,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1939143242, now seen corresponding path program 4 times [2021-10-28 09:21:00,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:00,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610797373] [2021-10-28 09:21:00,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:00,998 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:01,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:01,069 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:01,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610797373] [2021-10-28 09:21:01,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610797373] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:01,070 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:01,070 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:21:01,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919943957] [2021-10-28 09:21:01,072 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:01,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:01,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:21:01,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:21:01,074 INFO L87 Difference]: Start difference. First operand 85 states and 123 transitions. cyclomatic complexity: 40 Second operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:02,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:02,447 INFO L93 Difference]: Finished difference Result 293 states and 422 transitions. [2021-10-28 09:21:02,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-28 09:21:02,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 293 states and 422 transitions. [2021-10-28 09:21:02,452 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 194 [2021-10-28 09:21:02,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 293 states to 293 states and 422 transitions. [2021-10-28 09:21:02,456 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 293 [2021-10-28 09:21:02,456 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 293 [2021-10-28 09:21:02,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 293 states and 422 transitions. [2021-10-28 09:21:02,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:02,457 INFO L681 BuchiCegarLoop]: Abstraction has 293 states and 422 transitions. [2021-10-28 09:21:02,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states and 422 transitions. [2021-10-28 09:21:02,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 246. [2021-10-28 09:21:02,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 246 states have (on average 1.4593495934959348) internal successors, (359), 245 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:02,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 359 transitions. [2021-10-28 09:21:02,497 INFO L704 BuchiCegarLoop]: Abstraction has 246 states and 359 transitions. [2021-10-28 09:21:02,497 INFO L587 BuchiCegarLoop]: Abstraction has 246 states and 359 transitions. [2021-10-28 09:21:02,497 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 09:21:02,497 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 246 states and 359 transitions. [2021-10-28 09:21:02,500 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 162 [2021-10-28 09:21:02,501 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:02,501 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:02,502 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:02,502 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:02,503 INFO L791 eck$LassoCheckResult]: Stem: 1505#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 1494#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 1484#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1486#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1520#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 1521#L51-1 mp_add_~nb~0 := 4; 1487#L61 assume !(0 == mp_add_~b3~0 % 256); 1488#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 1495#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1496#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1523#L76 [2021-10-28 09:21:02,503 INFO L793 eck$LassoCheckResult]: Loop: 1523#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 1506#L76-2 assume !(1 == mp_add_~i~0 % 256); 1507#L77-1 assume !(2 == mp_add_~i~0 % 256); 1508#L78-1 assume !(3 == mp_add_~i~0 % 256); 1513#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 1512#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 1497#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 1491#L91-1 assume !(1 == mp_add_~i~0 % 256); 1492#L92-1 assume !(2 == mp_add_~i~0 % 256); 1493#L93-1 assume !(3 == mp_add_~i~0 % 256); 1503#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 1526#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 1527#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 1523#L76 [2021-10-28 09:21:02,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:02,504 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 1 times [2021-10-28 09:21:02,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:02,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615973799] [2021-10-28 09:21:02,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:02,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:02,537 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:02,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:02,584 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:02,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:02,589 INFO L85 PathProgramCache]: Analyzing trace with hash -135428754, now seen corresponding path program 5 times [2021-10-28 09:21:02,589 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:02,590 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491895687] [2021-10-28 09:21:02,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:02,592 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:02,600 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:02,609 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:02,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:02,610 INFO L85 PathProgramCache]: Analyzing trace with hash -578820102, now seen corresponding path program 1 times [2021-10-28 09:21:02,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:02,611 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606887155] [2021-10-28 09:21:02,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:02,611 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:02,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:02,685 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:02,686 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:02,686 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606887155] [2021-10-28 09:21:02,687 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606887155] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:02,687 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:02,687 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:21:02,687 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872408966] [2021-10-28 09:21:02,840 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:02,841 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:02,841 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:02,841 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:02,841 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:21:02,842 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:02,842 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:02,842 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:02,842 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration6_Loop [2021-10-28 09:21:02,842 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:02,843 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:02,874 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:02,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:02,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:02,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:03,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:03,196 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:21:03,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:03,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:03,201 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:03,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:03,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:03,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:21:03,242 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:21:03,242 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~r0~0=0} Honda state: {ULTIMATE.start_mp_add_~r0~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:21:03,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:21:03,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:03,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:03,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:03,299 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:03,299 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:03,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:21:03,325 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:21:03,325 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:21:03,407 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:03,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:03,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:03,423 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:03,444 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:03,444 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:03,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:21:03,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:03,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:03,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:03,548 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:03,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:21:03,555 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:03,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:21:04,226 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:21:04,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:04,231 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:04,231 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:04,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:04,231 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:04,231 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:21:04,231 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:04,231 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:04,231 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:04,232 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration6_Loop [2021-10-28 09:21:04,232 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:04,232 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:04,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:04,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:04,253 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:04,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:04,605 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:04,610 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:21:04,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:04,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:04,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:04,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:04,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:04,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:04,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:04,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:04,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:04,637 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:04,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:04,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:21:04,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:04,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:04,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:04,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:04,701 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:04,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:21:04,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:04,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:04,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:04,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:04,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:04,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:04,722 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:04,722 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:04,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:04,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:04,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:04,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:04,791 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:04,797 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:04,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:04,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:04,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:04,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:04,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:04,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:04,814 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:04,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:21:04,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:04,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:04,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:04,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:04,873 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:04,880 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:04,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:04,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:04,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:04,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:04,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:04,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:04,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:04,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:21:04,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:04,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:04,932 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:21:04,932 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:04,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:04,933 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:04,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:04,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:21:04,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:04,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:04,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:04,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:04,945 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:04,946 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:04,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:04,956 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,007 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,034 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,034 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,034 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,034 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:05,037 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:05,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:21:05,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,100 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,137 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:05,149 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:05,150 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:21:05,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,215 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,216 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:21:05,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,235 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:05,245 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:05,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,302 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 09:21:05,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,303 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,323 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:05,324 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:05,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:21:05,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,377 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,379 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:21:05,393 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,393 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,393 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,394 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:05,395 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:05,395 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,452 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,462 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,474 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:05,481 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:05,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:21:05,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,563 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:21:05,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,647 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:05,653 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:05,653 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,739 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 09:21:05,739 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,740 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,747 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,759 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:05,760 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:05,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:21:05,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,818 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,819 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,826 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,838 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:05,839 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:05,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:21:05,854 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,901 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,902 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:05,903 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:05,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:05,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:05,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:05,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:05,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:05,923 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:05,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:21:05,931 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:05,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:05,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:05,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:05,994 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:05,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,003 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:06,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,027 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:06,034 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:06,034 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:21:06,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:06,098 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 09:21:06,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,100 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,114 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,114 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:06,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,115 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:06,116 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:06,116 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:21:06,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:06,178 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,180 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,198 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,199 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:06,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,199 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:06,201 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:06,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:21:06,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:06,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,253 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:21:06,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,264 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,264 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:06,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,264 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:06,271 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:06,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:06,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,340 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,354 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,355 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:06,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,355 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:06,361 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:06,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:21:06,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:06,427 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 09:21:06,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,431 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,446 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,446 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:06,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,447 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:06,449 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:06,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:21:06,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:06,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,512 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:21:06,526 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,526 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:06,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,526 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:06,534 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:06,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-28 09:21:06,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,582 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-28 09:21:06,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,595 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,595 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:06,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,596 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,596 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:06,607 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:06,607 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-28 09:21:06,663 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,664 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-28 09:21:06,676 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,676 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:06,676 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,676 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:06,684 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:06,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:06,747 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 09:21:06,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,748 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,768 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,768 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:06,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,769 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:06,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 09:21:06,770 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:06,770 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 09:21:06,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,821 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 09:21:06,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,832 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,832 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:06,832 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,832 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:06,834 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:06,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:06,862 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,863 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 09:21:06,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,875 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,875 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:06,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,875 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:06,890 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:06,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:06,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:06,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:06,964 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:06,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:06,967 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:06,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:06,981 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:06,981 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:06,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:06,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:06,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:06,982 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:07,025 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:07,025 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:07,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 09:21:07,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:07,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:07,095 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 09:21:07,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:07,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:07,096 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:07,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:07,110 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:07,110 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:07,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:07,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:07,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:07,110 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:07,112 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:07,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:07,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 09:21:07,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:07,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:07,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:07,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:07,180 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:07,183 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:07,195 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:07,195 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:07,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:07,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:07,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:07,196 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:07,197 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:07,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:07,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 09:21:07,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:07,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:07,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:07,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:07,255 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:07,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:07,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:07,269 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:07,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:07,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:07,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:07,269 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:07,276 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:07,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:07,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 09:21:07,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:07,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:07,332 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:07,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:07,333 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:07,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:07,355 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:07,355 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:07,355 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:07,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:07,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:07,355 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:07,361 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:07,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:07,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 09:21:07,382 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:07,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:07,426 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 09:21:07,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:07,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:07,430 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:07,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 09:21:07,432 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:07,444 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:07,444 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:07,444 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:07,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:07,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:07,444 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:07,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:07,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:07,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:07,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-10-28 09:21:07,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:07,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:07,490 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:07,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 09:21:07,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:07,501 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:07,501 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:07,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:07,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:07,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:07,501 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:07,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:07,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:07,518 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:07,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 09:21:07,541 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:07,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:07,542 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:07,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 09:21:07,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:07,577 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:07,577 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:07,578 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:07,578 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:07,578 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:07,578 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:07,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:07,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:07,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:07,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 09:21:07,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:07,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:07,660 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:07,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:07,679 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:07,679 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:07,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:07,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:07,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:07,680 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:07,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:07,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:07,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 09:21:07,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:07,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 09:21:07,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:07,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:21:07,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:21:07,747 INFO L87 Difference]: Start difference. First operand 246 states and 359 transitions. cyclomatic complexity: 120 Second operand has 4 states, 4 states have (on average 5.75) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:07,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:07,937 INFO L93 Difference]: Finished difference Result 485 states and 689 transitions. [2021-10-28 09:21:07,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:21:07,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 485 states and 689 transitions. [2021-10-28 09:21:07,943 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 337 [2021-10-28 09:21:07,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 485 states to 485 states and 689 transitions. [2021-10-28 09:21:07,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 485 [2021-10-28 09:21:07,950 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 485 [2021-10-28 09:21:07,950 INFO L73 IsDeterministic]: Start isDeterministic. Operand 485 states and 689 transitions. [2021-10-28 09:21:07,951 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:07,952 INFO L681 BuchiCegarLoop]: Abstraction has 485 states and 689 transitions. [2021-10-28 09:21:07,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states and 689 transitions. [2021-10-28 09:21:07,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 443. [2021-10-28 09:21:07,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 443 states have (on average 1.4311512415349887) internal successors, (634), 442 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:07,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 634 transitions. [2021-10-28 09:21:07,973 INFO L704 BuchiCegarLoop]: Abstraction has 443 states and 634 transitions. [2021-10-28 09:21:07,973 INFO L587 BuchiCegarLoop]: Abstraction has 443 states and 634 transitions. [2021-10-28 09:21:07,973 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 09:21:07,973 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 443 states and 634 transitions. [2021-10-28 09:21:07,977 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 296 [2021-10-28 09:21:07,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:07,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:07,980 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:07,980 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:07,980 INFO L791 eck$LassoCheckResult]: Stem: 2250#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 2236#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 2227#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 2229#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 2267#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 2242#L51-1 mp_add_~nb~0 := 4; 2243#L61 assume !(0 == mp_add_~b3~0 % 256); 2544#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 2237#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2238#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2270#L76 [2021-10-28 09:21:07,987 INFO L793 eck$LassoCheckResult]: Loop: 2270#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 2272#L76-2 assume !(1 == mp_add_~i~0 % 256); 2624#L77-1 assume !(2 == mp_add_~i~0 % 256); 2623#L78-1 assume !(3 == mp_add_~i~0 % 256); 2622#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 2615#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 2614#L82-2 assume !(1 == mp_add_~i~0 % 256); 2610#L83-1 assume !(2 == mp_add_~i~0 % 256); 2609#L84-1 assume !(3 == mp_add_~i~0 % 256); 2608#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 2607#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 2605#L91-1 assume !(1 == mp_add_~i~0 % 256); 2606#L92-1 assume !(2 == mp_add_~i~0 % 256); 2578#L93-1 assume !(3 == mp_add_~i~0 % 256); 2577#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 2418#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 2419#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 2270#L76 [2021-10-28 09:21:07,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:07,988 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 2 times [2021-10-28 09:21:07,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:07,989 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699645009] [2021-10-28 09:21:07,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:07,989 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:08,019 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:08,063 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:08,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:08,064 INFO L85 PathProgramCache]: Analyzing trace with hash 113218786, now seen corresponding path program 1 times [2021-10-28 09:21:08,065 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:08,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586336712] [2021-10-28 09:21:08,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:08,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:08,073 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:08,086 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:08,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:08,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1074123118, now seen corresponding path program 1 times [2021-10-28 09:21:08,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:08,088 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535516612] [2021-10-28 09:21:08,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:08,088 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:08,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:08,317 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:08,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535516612] [2021-10-28 09:21:08,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535516612] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:08,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807700614] [2021-10-28 09:21:08,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:08,318 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:08,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:08,319 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:08,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2021-10-28 09:21:08,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:08,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 09:21:08,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:11,017 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807700614] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:11,017 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:21:11,017 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2021-10-28 09:21:11,018 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338752674] [2021-10-28 09:21:11,209 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:11,210 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:11,210 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:11,210 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:11,210 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:21:11,210 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:11,210 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:11,210 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:11,210 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration7_Loop [2021-10-28 09:21:11,211 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:11,211 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:11,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:11,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:11,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:11,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:11,595 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:11,595 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:21:11,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:11,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:11,610 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:11,612 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:11,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:11,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 09:21:11,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-28 09:21:11,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:11,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:11,677 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:11,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 09:21:11,679 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:21:11,679 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:13,209 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:21:13,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-10-28 09:21:13,213 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:13,213 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:13,213 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:13,213 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:13,213 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:21:13,213 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:13,214 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:13,214 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:13,214 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration7_Loop [2021-10-28 09:21:13,214 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:13,214 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:13,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:13,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:13,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:13,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:13,609 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:13,609 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:21:13,609 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:13,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:13,614 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:13,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:13,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:13,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:13,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:13,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:13,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:13,631 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:13,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:13,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 09:21:13,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:13,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-28 09:21:13,658 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:13,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:13,659 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:13,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 09:21:13,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:13,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:13,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:13,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:13,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:13,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:13,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:13,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:13,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:13,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:13,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:13,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:13,730 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:13,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:13,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:13,750 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:13,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:13,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:13,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:13,751 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:13,751 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:13,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 09:21:13,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:13,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:13,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:13,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:13,816 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:13,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:13,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:13,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:13,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:13,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:13,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:13,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:13,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:13,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 09:21:13,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:13,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:13,884 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:21:13,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:13,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:13,885 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:13,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:13,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:13,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:13,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:13,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:13,903 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:13,907 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:13,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:13,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 09:21:13,926 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:13,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:13,965 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:13,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:13,966 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:13,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:13,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:13,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:13,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:13,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:13,981 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:13,986 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:13,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:13,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 09:21:13,998 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-28 09:21:14,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,033 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 09:21:14,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,044 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:14,044 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:14,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-28 09:21:14,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,072 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 09:21:14,074 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,083 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:14,083 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:14,083 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-10-28 09:21:14,114 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 09:21:14,114 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,115 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 09:21:14,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,139 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:14,144 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:14,144 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-28 09:21:14,177 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,178 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 09:21:14,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,190 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,190 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,190 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:14,197 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:14,197 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-28 09:21:14,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,228 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 09:21:14,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,239 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:14,239 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:14,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:14,264 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,265 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 09:21:14,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,276 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,276 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,276 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,276 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,277 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:14,277 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:14,277 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-28 09:21:14,306 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 09:21:14,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,308 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 09:21:14,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,318 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,319 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:14,330 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:14,330 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-28 09:21:14,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,381 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 09:21:14,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,407 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:14,418 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:14,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-28 09:21:14,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,454 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 09:21:14,455 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,465 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:14,466 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:14,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:14,502 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,503 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 09:21:14,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:14,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,516 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:14,517 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:14,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:14,542 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 09:21:14,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,543 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 09:21:14,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,555 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:14,555 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:14,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,555 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:14,560 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:14,560 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:14,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,635 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,648 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:14,648 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:14,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,649 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:14,655 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:14,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 09:21:14,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:14,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,719 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,734 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:14,734 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:14,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,734 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:14,735 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:14,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 09:21:14,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:14,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,789 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 09:21:14,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,804 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:14,805 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:14,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,805 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:14,806 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:14,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:14,855 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 09:21:14,855 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,859 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,876 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:14,876 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:14,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,877 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:14,885 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:14,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 09:21:14,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:14,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:14,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:14,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:14,954 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:14,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:14,971 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:14,971 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:14,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:14,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:14,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:14,972 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:14,980 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:14,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:14,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 09:21:15,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,039 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,040 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 09:21:15,054 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,054 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:15,054 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,054 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:15,056 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:15,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,115 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,118 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,133 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,134 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:15,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,134 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:15,136 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:15,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 09:21:15,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,188 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 09:21:15,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,190 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,208 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,208 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:15,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,209 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:15,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 09:21:15,219 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:15,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,290 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,305 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,306 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:15,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,306 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:15,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 09:21:15,322 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:15,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,393 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,412 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,412 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:15,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,413 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:15,414 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:15,414 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 09:21:15,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,473 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,486 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,486 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:15,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,487 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,487 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:15,489 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:15,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 09:21:15,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,550 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 09:21:15,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,551 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,566 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:15,567 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,567 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:15,572 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:15,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-28 09:21:15,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,635 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,648 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,648 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:15,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,649 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,649 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:15,656 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:15,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 09:21:15,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,716 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,718 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,733 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,734 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:15,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,734 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:15,735 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:15,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 09:21:15,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,790 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,806 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,806 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:15,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,807 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:15,808 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:15,808 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 09:21:15,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,864 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 09:21:15,864 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,865 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,883 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,883 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:15,883 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,884 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:15,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:15,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:15,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 09:21:15,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:15,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:15,955 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:15,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:15,956 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:15,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:15,971 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:15,971 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:15,971 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:15,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:15,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:15,972 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:15,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 09:21:15,984 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:15,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:16,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:16,056 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,057 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:16,072 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:16,072 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:16,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:16,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,072 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:16,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:16,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:16,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 09:21:16,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:16,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:16,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:16,132 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:16,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:16,146 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:16,147 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:16,147 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:16,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:16,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:16,147 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:16,149 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:16,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:16,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 09:21:16,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:16,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:16,206 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:16,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:21:16,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-10-28 09:21:16,207 INFO L87 Difference]: Start difference. First operand 443 states and 634 transitions. cyclomatic complexity: 202 Second operand has 8 states, 7 states have (on average 3.857142857142857) internal successors, (27), 8 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:19,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:19,756 INFO L93 Difference]: Finished difference Result 487 states and 688 transitions. [2021-10-28 09:21:19,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:21:19,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 487 states and 688 transitions. [2021-10-28 09:21:19,761 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 340 [2021-10-28 09:21:19,766 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 487 states to 487 states and 688 transitions. [2021-10-28 09:21:19,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 487 [2021-10-28 09:21:19,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 487 [2021-10-28 09:21:19,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 487 states and 688 transitions. [2021-10-28 09:21:19,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:19,768 INFO L681 BuchiCegarLoop]: Abstraction has 487 states and 688 transitions. [2021-10-28 09:21:19,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states and 688 transitions. [2021-10-28 09:21:19,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 484. [2021-10-28 09:21:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 484 states have (on average 1.415289256198347) internal successors, (685), 483 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 685 transitions. [2021-10-28 09:21:19,781 INFO L704 BuchiCegarLoop]: Abstraction has 484 states and 685 transitions. [2021-10-28 09:21:19,781 INFO L587 BuchiCegarLoop]: Abstraction has 484 states and 685 transitions. [2021-10-28 09:21:19,781 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 09:21:19,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 484 states and 685 transitions. [2021-10-28 09:21:19,785 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 337 [2021-10-28 09:21:19,786 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:19,786 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:19,787 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:19,787 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:19,787 INFO L791 eck$LassoCheckResult]: Stem: 3275#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 3265#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 3255#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 3257#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 3288#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 3269#L51-1 mp_add_~nb~0 := 4; 3258#L61 assume !(0 == mp_add_~b3~0 % 256); 3259#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 3263#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3264#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3710#L76 [2021-10-28 09:21:19,787 INFO L793 eck$LassoCheckResult]: Loop: 3710#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 3709#L76-2 assume !(1 == mp_add_~i~0 % 256); 3708#L77-1 assume !(2 == mp_add_~i~0 % 256); 3707#L78-1 assume !(3 == mp_add_~i~0 % 256); 3294#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 3295#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 3731#L82-2 assume !(1 == mp_add_~i~0 % 256); 3729#L83-1 assume !(2 == mp_add_~i~0 % 256); 3728#L84-1 assume !(3 == mp_add_~i~0 % 256); 3727#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 3726#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 3721#L91-1 assume !(1 == mp_add_~i~0 % 256); 3725#L92-1 assume !(2 == mp_add_~i~0 % 256); 3724#L93-1 assume !(3 == mp_add_~i~0 % 256); 3723#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3722#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3720#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 3718#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 3717#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 3716#L87-1 assume !(0 == mp_add_~i~0 % 256); 3715#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 3251#L92-1 assume !(2 == mp_add_~i~0 % 256); 3252#L93-1 assume !(3 == mp_add_~i~0 % 256); 3272#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 3575#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 3576#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 3710#L76 [2021-10-28 09:21:19,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:19,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 3 times [2021-10-28 09:21:19,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:19,788 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607851943] [2021-10-28 09:21:19,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:19,789 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:19,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:19,803 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:19,825 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:19,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:19,826 INFO L85 PathProgramCache]: Analyzing trace with hash -1270981275, now seen corresponding path program 1 times [2021-10-28 09:21:19,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:19,826 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954625865] [2021-10-28 09:21:19,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:19,827 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:19,873 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:19,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:19,873 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954625865] [2021-10-28 09:21:19,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954625865] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:19,874 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:19,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:21:19,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1756548150] [2021-10-28 09:21:19,875 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:19,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:19,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:21:19,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:21:19,876 INFO L87 Difference]: Start difference. First operand 484 states and 685 transitions. cyclomatic complexity: 213 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:19,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:19,955 INFO L93 Difference]: Finished difference Result 839 states and 1233 transitions. [2021-10-28 09:21:19,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:21:19,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 839 states and 1233 transitions. [2021-10-28 09:21:19,964 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 692 [2021-10-28 09:21:19,972 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 839 states to 839 states and 1233 transitions. [2021-10-28 09:21:19,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 839 [2021-10-28 09:21:19,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 839 [2021-10-28 09:21:19,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 839 states and 1233 transitions. [2021-10-28 09:21:19,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:19,976 INFO L681 BuchiCegarLoop]: Abstraction has 839 states and 1233 transitions. [2021-10-28 09:21:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states and 1233 transitions. [2021-10-28 09:21:19,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 696. [2021-10-28 09:21:19,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 696 states have (on average 1.4669540229885059) internal successors, (1021), 695 states have internal predecessors, (1021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:19,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 1021 transitions. [2021-10-28 09:21:19,999 INFO L704 BuchiCegarLoop]: Abstraction has 696 states and 1021 transitions. [2021-10-28 09:21:19,999 INFO L587 BuchiCegarLoop]: Abstraction has 696 states and 1021 transitions. [2021-10-28 09:21:20,000 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 09:21:20,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 696 states and 1021 transitions. [2021-10-28 09:21:20,005 INFO L131 ngComponentsAnalysis]: Automaton has 12 accepting balls. 549 [2021-10-28 09:21:20,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:20,005 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:20,008 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:20,008 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:20,009 INFO L791 eck$LassoCheckResult]: Stem: 4606#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 4595#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 4585#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 4587#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 4623#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 4599#L51-1 mp_add_~nb~0 := 4; 4600#L61 assume !(0 == mp_add_~b3~0 % 256); 5127#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 5154#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5153#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5050#L76 [2021-10-28 09:21:20,009 INFO L793 eck$LassoCheckResult]: Loop: 5050#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 5152#L76-2 assume !(1 == mp_add_~i~0 % 256); 5151#L77-1 assume !(2 == mp_add_~i~0 % 256); 5150#L78-1 assume !(3 == mp_add_~i~0 % 256); 5149#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 5148#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 5136#L82-2 assume !(1 == mp_add_~i~0 % 256); 5147#L83-1 assume !(2 == mp_add_~i~0 % 256); 5108#L84-1 assume !(3 == mp_add_~i~0 % 256); 5109#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 5146#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 5083#L91-1 assume !(1 == mp_add_~i~0 % 256); 5144#L92-1 assume !(2 == mp_add_~i~0 % 256); 5143#L93-1 assume !(3 == mp_add_~i~0 % 256); 5106#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5107#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5027#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 5028#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 5142#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 5011#L87-1 assume !(0 == mp_add_~i~0 % 256); 4875#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 4870#L92-1 assume !(2 == mp_add_~i~0 % 256); 4866#L93-1 assume !(3 == mp_add_~i~0 % 256); 4865#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 5123#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 5049#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 5050#L76 [2021-10-28 09:21:20,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:20,010 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 4 times [2021-10-28 09:21:20,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:20,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866559607] [2021-10-28 09:21:20,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:20,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:20,033 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:20,063 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:20,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:20,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2080327901, now seen corresponding path program 1 times [2021-10-28 09:21:20,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:20,065 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276058746] [2021-10-28 09:21:20,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:20,065 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:20,161 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:20,161 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:20,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276058746] [2021-10-28 09:21:20,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276058746] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:20,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:20,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:21:20,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958789249] [2021-10-28 09:21:20,163 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:20,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:20,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:21:20,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:21:20,164 INFO L87 Difference]: Start difference. First operand 696 states and 1021 transitions. cyclomatic complexity: 337 Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:20,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:20,500 INFO L93 Difference]: Finished difference Result 1446 states and 2057 transitions. [2021-10-28 09:21:20,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:21:20,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1446 states and 2057 transitions. [2021-10-28 09:21:20,513 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 1229 [2021-10-28 09:21:20,526 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1446 states to 1446 states and 2057 transitions. [2021-10-28 09:21:20,527 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1446 [2021-10-28 09:21:20,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1446 [2021-10-28 09:21:20,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1446 states and 2057 transitions. [2021-10-28 09:21:20,531 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:20,532 INFO L681 BuchiCegarLoop]: Abstraction has 1446 states and 2057 transitions. [2021-10-28 09:21:20,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states and 2057 transitions. [2021-10-28 09:21:20,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 1120. [2021-10-28 09:21:20,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1120 states, 1120 states have (on average 1.4526785714285715) internal successors, (1627), 1119 states have internal predecessors, (1627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:20,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1627 transitions. [2021-10-28 09:21:20,564 INFO L704 BuchiCegarLoop]: Abstraction has 1120 states and 1627 transitions. [2021-10-28 09:21:20,564 INFO L587 BuchiCegarLoop]: Abstraction has 1120 states and 1627 transitions. [2021-10-28 09:21:20,564 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 09:21:20,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1120 states and 1627 transitions. [2021-10-28 09:21:20,572 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 955 [2021-10-28 09:21:20,572 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:20,572 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:20,573 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:20,573 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:20,574 INFO L791 eck$LassoCheckResult]: Stem: 6761#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 6749#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 6738#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 6740#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 6779#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 6780#L51-1 mp_add_~nb~0 := 4; 6741#L61 assume !(0 == mp_add_~b3~0 % 256); 6742#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 6758#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 7685#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6951#L76 [2021-10-28 09:21:20,574 INFO L793 eck$LassoCheckResult]: Loop: 6951#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 7684#L76-2 assume !(1 == mp_add_~i~0 % 256); 7683#L77-1 assume !(2 == mp_add_~i~0 % 256); 7682#L78-1 assume !(3 == mp_add_~i~0 % 256); 7681#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 7680#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 7001#L82-2 assume !(1 == mp_add_~i~0 % 256); 7679#L83-1 assume !(2 == mp_add_~i~0 % 256); 7678#L84-1 assume !(3 == mp_add_~i~0 % 256); 7264#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 7265#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 7626#L91-1 assume !(1 == mp_add_~i~0 % 256); 7692#L92-1 assume !(2 == mp_add_~i~0 % 256); 7691#L93-1 assume !(3 == mp_add_~i~0 % 256); 7690#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6747#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6748#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 6782#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 7693#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 7672#L87-1 assume !(0 == mp_add_~i~0 % 256); 7630#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 7603#L92-1 assume !(2 == mp_add_~i~0 % 256); 7622#L93-1 assume !(3 == mp_add_~i~0 % 256); 7619#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6863#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 6864#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 6934#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 6933#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 6921#L87-1 assume !(0 == mp_add_~i~0 % 256); 6922#L91-1 assume !(1 == mp_add_~i~0 % 256); 7601#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 7600#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 6873#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 6874#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 7023#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 6951#L76 [2021-10-28 09:21:20,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:20,575 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 5 times [2021-10-28 09:21:20,575 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:20,575 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786357974] [2021-10-28 09:21:20,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:20,575 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:20,591 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:20,612 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:20,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:20,613 INFO L85 PathProgramCache]: Analyzing trace with hash 718808960, now seen corresponding path program 1 times [2021-10-28 09:21:20,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:20,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332908196] [2021-10-28 09:21:20,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:20,614 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:20,653 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-10-28 09:21:20,653 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:20,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332908196] [2021-10-28 09:21:20,654 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332908196] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:20,654 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:20,654 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:21:20,654 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643815420] [2021-10-28 09:21:20,655 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:20,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:20,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:21:20,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:21:20,656 INFO L87 Difference]: Start difference. First operand 1120 states and 1627 transitions. cyclomatic complexity: 523 Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:20,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:20,768 INFO L93 Difference]: Finished difference Result 1329 states and 1948 transitions. [2021-10-28 09:21:20,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:21:20,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1329 states and 1948 transitions. [2021-10-28 09:21:20,780 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 1162 [2021-10-28 09:21:20,794 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1329 states to 1329 states and 1948 transitions. [2021-10-28 09:21:20,795 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1329 [2021-10-28 09:21:20,797 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1329 [2021-10-28 09:21:20,797 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1329 states and 1948 transitions. [2021-10-28 09:21:20,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:20,800 INFO L681 BuchiCegarLoop]: Abstraction has 1329 states and 1948 transitions. [2021-10-28 09:21:20,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1329 states and 1948 transitions. [2021-10-28 09:21:20,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1329 to 1203. [2021-10-28 09:21:20,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1203 states, 1203 states have (on average 1.4738154613466334) internal successors, (1773), 1202 states have internal predecessors, (1773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1203 states to 1203 states and 1773 transitions. [2021-10-28 09:21:20,833 INFO L704 BuchiCegarLoop]: Abstraction has 1203 states and 1773 transitions. [2021-10-28 09:21:20,833 INFO L587 BuchiCegarLoop]: Abstraction has 1203 states and 1773 transitions. [2021-10-28 09:21:20,833 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 09:21:20,833 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1203 states and 1773 transitions. [2021-10-28 09:21:20,841 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 1041 [2021-10-28 09:21:20,841 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:20,841 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:20,842 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:20,842 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:20,843 INFO L791 eck$LassoCheckResult]: Stem: 9216#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 9204#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 9193#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 9195#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 9233#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 9234#L51-1 mp_add_~nb~0 := 4; 9382#L61 assume !(0 == mp_add_~b3~0 % 256); 9383#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 9476#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 9475#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 9429#L76 [2021-10-28 09:21:20,843 INFO L793 eck$LassoCheckResult]: Loop: 9429#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 9470#L76-2 assume !(1 == mp_add_~i~0 % 256); 9469#L77-1 assume !(2 == mp_add_~i~0 % 256); 9468#L78-1 assume !(3 == mp_add_~i~0 % 256); 9467#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 9372#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 9373#L82-2 assume !(1 == mp_add_~i~0 % 256); 9365#L83-1 assume !(2 == mp_add_~i~0 % 256); 9366#L84-1 assume !(3 == mp_add_~i~0 % 256); 9342#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 9344#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 9272#L91-1 assume !(1 == mp_add_~i~0 % 256); 9273#L92-1 assume !(2 == mp_add_~i~0 % 256); 9264#L93-1 assume !(3 == mp_add_~i~0 % 256); 9265#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 9256#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 9257#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 9495#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 9492#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 9493#L87-1 assume !(0 == mp_add_~i~0 % 256); 9306#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 9307#L92-1 assume !(2 == mp_add_~i~0 % 256); 9302#L93-1 assume !(3 == mp_add_~i~0 % 256); 9303#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 9297#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 9298#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 9426#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 9487#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 9483#L87-1 assume !(0 == mp_add_~i~0 % 256); 9481#L91-1 assume !(1 == mp_add_~i~0 % 256); 9479#L92-1 assume !(2 == mp_add_~i~0 % 256); 9477#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 9447#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 9446#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 9428#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 9429#L76 [2021-10-28 09:21:20,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:20,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 6 times [2021-10-28 09:21:20,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:20,846 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760131191] [2021-10-28 09:21:20,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:20,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:20,864 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:20,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:20,894 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:20,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:20,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1592042242, now seen corresponding path program 1 times [2021-10-28 09:21:20,896 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:20,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966912952] [2021-10-28 09:21:20,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:20,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:20,971 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 25 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:20,972 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:20,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966912952] [2021-10-28 09:21:20,972 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966912952] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:20,972 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801129498] [2021-10-28 09:21:20,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:20,973 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:20,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:20,974 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:20,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2021-10-28 09:21:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:21,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:21:21,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:21:21,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801129498] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:21,218 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:21,218 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-10-28 09:21:21,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863772643] [2021-10-28 09:21:21,219 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:21,219 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:21,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:21:21,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:21:21,220 INFO L87 Difference]: Start difference. First operand 1203 states and 1773 transitions. cyclomatic complexity: 584 Second operand has 7 states, 7 states have (on average 7.285714285714286) internal successors, (51), 7 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:22,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:22,061 INFO L93 Difference]: Finished difference Result 2157 states and 2828 transitions. [2021-10-28 09:21:22,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-10-28 09:21:22,062 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2157 states and 2828 transitions. [2021-10-28 09:21:22,082 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1930 [2021-10-28 09:21:22,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2157 states to 2145 states and 2816 transitions. [2021-10-28 09:21:22,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2145 [2021-10-28 09:21:22,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2145 [2021-10-28 09:21:22,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2145 states and 2816 transitions. [2021-10-28 09:21:22,109 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:22,109 INFO L681 BuchiCegarLoop]: Abstraction has 2145 states and 2816 transitions. [2021-10-28 09:21:22,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2145 states and 2816 transitions. [2021-10-28 09:21:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2145 to 1376. [2021-10-28 09:21:22,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1376 states, 1376 states have (on average 1.3844476744186047) internal successors, (1905), 1375 states have internal predecessors, (1905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1376 states to 1376 states and 1905 transitions. [2021-10-28 09:21:22,164 INFO L704 BuchiCegarLoop]: Abstraction has 1376 states and 1905 transitions. [2021-10-28 09:21:22,164 INFO L587 BuchiCegarLoop]: Abstraction has 1376 states and 1905 transitions. [2021-10-28 09:21:22,164 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 09:21:22,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1376 states and 1905 transitions. [2021-10-28 09:21:22,173 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 1221 [2021-10-28 09:21:22,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:22,173 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:22,175 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:22,175 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:22,175 INFO L791 eck$LassoCheckResult]: Stem: 12724#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 12712#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 12701#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 12703#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 12741#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 12742#L51-1 mp_add_~nb~0 := 4; 12850#L61 assume !(0 == mp_add_~b3~0 % 256); 12851#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 12963#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 12961#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 12925#L76 [2021-10-28 09:21:22,176 INFO L793 eck$LassoCheckResult]: Loop: 12925#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 12960#L76-2 assume !(1 == mp_add_~i~0 % 256); 12955#L77-1 assume !(2 == mp_add_~i~0 % 256); 12952#L78-1 assume !(3 == mp_add_~i~0 % 256); 12948#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 12933#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 12932#L82-2 assume !(1 == mp_add_~i~0 % 256); 12931#L83-1 assume !(2 == mp_add_~i~0 % 256); 12833#L84-1 assume !(3 == mp_add_~i~0 % 256); 12830#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 12832#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 12903#L91-1 assume !(1 == mp_add_~i~0 % 256); 12916#L92-1 assume !(2 == mp_add_~i~0 % 256); 12914#L93-1 assume !(3 == mp_add_~i~0 % 256); 12912#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12774#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 12775#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 12980#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 12979#L82 assume !(0 == mp_add_~i~0 % 256); 12978#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 12943#L83-1 assume !(2 == mp_add_~i~0 % 256); 12977#L84-1 assume !(3 == mp_add_~i~0 % 256); 12975#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 12974#L87-1 assume !(0 == mp_add_~i~0 % 256); 12973#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 12938#L92-1 assume !(2 == mp_add_~i~0 % 256); 12972#L93-1 assume !(3 == mp_add_~i~0 % 256); 12971#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12970#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 12968#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 12969#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 12998#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 12957#L87-1 assume !(0 == mp_add_~i~0 % 256); 12997#L91-1 assume !(1 == mp_add_~i~0 % 256); 12995#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 12823#L93-1 assume !(3 == mp_add_~i~0 % 256); 12844#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 12777#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 12778#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 12925#L76 [2021-10-28 09:21:22,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:22,179 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 7 times [2021-10-28 09:21:22,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:22,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285003413] [2021-10-28 09:21:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:22,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:22,194 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:22,217 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:22,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:22,218 INFO L85 PathProgramCache]: Analyzing trace with hash -1525293494, now seen corresponding path program 1 times [2021-10-28 09:21:22,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:22,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102082540] [2021-10-28 09:21:22,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:22,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:22,329 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:22,329 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:22,329 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102082540] [2021-10-28 09:21:22,329 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102082540] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:22,330 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180522823] [2021-10-28 09:21:22,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:22,330 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:22,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:22,333 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:22,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Waiting until timeout for monitored process [2021-10-28 09:21:22,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:22,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:21:22,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 26 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 09:21:22,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180522823] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:22,703 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:22,703 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-10-28 09:21:22,703 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618425797] [2021-10-28 09:21:22,704 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:22,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:22,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:21:22,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:21:22,705 INFO L87 Difference]: Start difference. First operand 1376 states and 1905 transitions. cyclomatic complexity: 539 Second operand has 9 states, 8 states have (on average 6.125) internal successors, (49), 9 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:23,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:23,506 INFO L93 Difference]: Finished difference Result 3553 states and 4783 transitions. [2021-10-28 09:21:23,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-28 09:21:23,507 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3553 states and 4783 transitions. [2021-10-28 09:21:23,537 INFO L131 ngComponentsAnalysis]: Automaton has 18 accepting balls. 3279 [2021-10-28 09:21:23,571 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3553 states to 3553 states and 4783 transitions. [2021-10-28 09:21:23,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3553 [2021-10-28 09:21:23,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3553 [2021-10-28 09:21:23,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3553 states and 4783 transitions. [2021-10-28 09:21:23,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:23,583 INFO L681 BuchiCegarLoop]: Abstraction has 3553 states and 4783 transitions. [2021-10-28 09:21:23,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3553 states and 4783 transitions. [2021-10-28 09:21:23,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3553 to 2065. [2021-10-28 09:21:23,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2065 states, 2065 states have (on average 1.4004842615012107) internal successors, (2892), 2064 states have internal predecessors, (2892), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:23,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2065 states to 2065 states and 2892 transitions. [2021-10-28 09:21:23,655 INFO L704 BuchiCegarLoop]: Abstraction has 2065 states and 2892 transitions. [2021-10-28 09:21:23,655 INFO L587 BuchiCegarLoop]: Abstraction has 2065 states and 2892 transitions. [2021-10-28 09:21:23,656 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 09:21:23,656 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2065 states and 2892 transitions. [2021-10-28 09:21:23,669 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 1904 [2021-10-28 09:21:23,669 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:23,669 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:23,671 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:23,671 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:23,671 INFO L791 eck$LassoCheckResult]: Stem: 17800#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 17789#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 17779#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 17781#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 17819#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 17820#L51-1 mp_add_~nb~0 := 4; 18168#L61 assume !(0 == mp_add_~b3~0 % 256); 18169#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 18211#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18210#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 18037#L76 [2021-10-28 09:21:23,674 INFO L793 eck$LassoCheckResult]: Loop: 18037#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 18209#L76-2 assume !(1 == mp_add_~i~0 % 256); 18208#L77-1 assume !(2 == mp_add_~i~0 % 256); 18207#L78-1 assume !(3 == mp_add_~i~0 % 256); 18206#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 18205#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 18046#L82-2 assume !(1 == mp_add_~i~0 % 256); 18201#L83-1 assume !(2 == mp_add_~i~0 % 256); 18200#L84-1 assume !(3 == mp_add_~i~0 % 256); 18149#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 18147#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 17935#L91-1 assume !(1 == mp_add_~i~0 % 256); 18143#L92-1 assume !(2 == mp_add_~i~0 % 256); 18020#L93-1 assume !(3 == mp_add_~i~0 % 256); 18021#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17849#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17850#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18121#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 17995#L82 assume !(0 == mp_add_~i~0 % 256); 18113#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 18090#L83-1 assume !(2 == mp_add_~i~0 % 256); 17992#L84-1 assume !(3 == mp_add_~i~0 % 256); 17993#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 18105#L87-1 assume !(0 == mp_add_~i~0 % 256); 18106#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 18014#L92-1 assume !(2 == mp_add_~i~0 % 256); 18015#L93-1 assume !(3 == mp_add_~i~0 % 256); 18006#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18007#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18002#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18003#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 17990#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 17991#L87-1 assume !(0 == mp_add_~i~0 % 256); 17982#L91-1 assume !(1 == mp_add_~i~0 % 256); 17983#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 17885#L93-1 assume !(3 == mp_add_~i~0 % 256); 17886#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 17867#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 17868#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18118#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 17922#L82 assume !(0 == mp_add_~i~0 % 256); 18111#L82-2 assume !(1 == mp_add_~i~0 % 256); 18112#L83-1 assume !(2 == mp_add_~i~0 % 256); 18194#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 18026#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 18100#L87-1 assume !(0 == mp_add_~i~0 % 256); 18101#L91-1 assume !(1 == mp_add_~i~0 % 256); 18094#L92-1 assume !(2 == mp_add_~i~0 % 256); 18095#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 18178#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18177#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18176#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 18028#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 18030#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 17934#L87-1 assume !(0 == mp_add_~i~0 % 256); 17936#L91-1 assume !(1 == mp_add_~i~0 % 256); 17917#L92-1 assume !(2 == mp_add_~i~0 % 256); 17918#L93-1 assume !(3 == mp_add_~i~0 % 256); 18163#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 18162#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 18056#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 18037#L76 [2021-10-28 09:21:23,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:23,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 8 times [2021-10-28 09:21:23,675 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:23,675 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538690699] [2021-10-28 09:21:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:23,675 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:23,693 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:23,707 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:23,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:23,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1554435722, now seen corresponding path program 1 times [2021-10-28 09:21:23,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:23,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888946856] [2021-10-28 09:21:23,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:23,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:23,839 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-28 09:21:23,840 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:23,840 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888946856] [2021-10-28 09:21:23,840 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [888946856] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:23,841 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:23,841 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:21:23,841 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421601648] [2021-10-28 09:21:23,843 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:23,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:23,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:21:23,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:21:23,844 INFO L87 Difference]: Start difference. First operand 2065 states and 2892 transitions. cyclomatic complexity: 843 Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:24,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:24,358 INFO L93 Difference]: Finished difference Result 4206 states and 5612 transitions. [2021-10-28 09:21:24,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 09:21:24,359 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 4206 states and 5612 transitions. [2021-10-28 09:21:24,388 INFO L131 ngComponentsAnalysis]: Automaton has 29 accepting balls. 3312 [2021-10-28 09:21:24,426 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 4206 states to 4124 states and 5525 transitions. [2021-10-28 09:21:24,426 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4124 [2021-10-28 09:21:24,432 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4124 [2021-10-28 09:21:24,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4124 states and 5525 transitions. [2021-10-28 09:21:24,439 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:24,439 INFO L681 BuchiCegarLoop]: Abstraction has 4124 states and 5525 transitions. [2021-10-28 09:21:24,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4124 states and 5525 transitions. [2021-10-28 09:21:24,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4124 to 3304. [2021-10-28 09:21:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3304 states, 3304 states have (on average 1.3928571428571428) internal successors, (4602), 3303 states have internal predecessors, (4602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:24,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 3304 states and 4602 transitions. [2021-10-28 09:21:24,537 INFO L704 BuchiCegarLoop]: Abstraction has 3304 states and 4602 transitions. [2021-10-28 09:21:24,537 INFO L587 BuchiCegarLoop]: Abstraction has 3304 states and 4602 transitions. [2021-10-28 09:21:24,537 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 09:21:24,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3304 states and 4602 transitions. [2021-10-28 09:21:24,552 INFO L131 ngComponentsAnalysis]: Automaton has 26 accepting balls. 2971 [2021-10-28 09:21:24,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:24,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:24,553 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:24,553 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:24,554 INFO L791 eck$LassoCheckResult]: Stem: 24095#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 24083#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 24072#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 24074#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 24112#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 24113#L51-1 mp_add_~nb~0 := 4; 24426#L61 assume !(0 == mp_add_~b3~0 % 256); 24427#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 24511#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24510#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 24324#L76 [2021-10-28 09:21:24,554 INFO L793 eck$LassoCheckResult]: Loop: 24324#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 24509#L76-2 assume !(1 == mp_add_~i~0 % 256); 24508#L77-1 assume !(2 == mp_add_~i~0 % 256); 24507#L78-1 assume !(3 == mp_add_~i~0 % 256); 24506#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24505#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 24310#L82-2 assume !(1 == mp_add_~i~0 % 256); 24504#L83-1 assume !(2 == mp_add_~i~0 % 256); 24409#L84-1 assume !(3 == mp_add_~i~0 % 256); 24410#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24524#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 24285#L91-1 assume !(1 == mp_add_~i~0 % 256); 24522#L92-1 assume !(2 == mp_add_~i~0 % 256); 24520#L93-1 assume !(3 == mp_add_~i~0 % 256); 24518#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24515#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24513#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24514#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24392#L82 assume !(0 == mp_add_~i~0 % 256); 24389#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 24387#L83-1 assume !(2 == mp_add_~i~0 % 256); 24384#L84-1 assume !(3 == mp_add_~i~0 % 256); 24380#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24381#L87-1 assume !(0 == mp_add_~i~0 % 256); 24272#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 24273#L92-1 assume !(2 == mp_add_~i~0 % 256); 24268#L93-1 assume !(3 == mp_add_~i~0 % 256); 24269#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24264#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24265#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24259#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24260#L82 assume !(0 == mp_add_~i~0 % 256); 24399#L82-2 assume !(1 == mp_add_~i~0 % 256); 24261#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 24257#L84-1 assume !(3 == mp_add_~i~0 % 256); 24258#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24300#L87-1 assume !(0 == mp_add_~i~0 % 256); 24396#L91-1 assume !(1 == mp_add_~i~0 % 256); 24283#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 24282#L93-1 assume !(3 == mp_add_~i~0 % 256); 24281#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24280#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24279#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24276#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 24277#L82 assume !(0 == mp_add_~i~0 % 256); 24290#L82-2 assume !(1 == mp_add_~i~0 % 256); 24289#L83-1 assume !(2 == mp_add_~i~0 % 256); 24274#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 24275#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 24350#L87-1 assume !(0 == mp_add_~i~0 % 256); 24345#L91-1 assume !(1 == mp_add_~i~0 % 256); 24340#L92-1 assume !(2 == mp_add_~i~0 % 256); 24332#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 24329#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24326#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24322#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 24316#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 24317#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 24307#L87-1 assume !(0 == mp_add_~i~0 % 256); 24308#L91-1 assume !(1 == mp_add_~i~0 % 256); 24297#L92-1 assume !(2 == mp_add_~i~0 % 256); 24240#L93-1 assume !(3 == mp_add_~i~0 % 256); 24422#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 24420#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 24390#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 24324#L76 [2021-10-28 09:21:24,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:24,555 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 9 times [2021-10-28 09:21:24,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:24,555 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297531225] [2021-10-28 09:21:24,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:24,555 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:24,567 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:24,580 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:24,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:24,581 INFO L85 PathProgramCache]: Analyzing trace with hash -426721682, now seen corresponding path program 1 times [2021-10-28 09:21:24,581 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:24,582 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820449760] [2021-10-28 09:21:24,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:24,582 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 8 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:24,830 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:24,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820449760] [2021-10-28 09:21:24,830 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820449760] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:24,830 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179003472] [2021-10-28 09:21:24,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:24,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:24,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:24,832 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:24,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Waiting until timeout for monitored process [2021-10-28 09:21:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:25,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 09:21:25,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:25,683 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 83 proven. 14 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-10-28 09:21:25,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179003472] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:25,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:25,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6] total 15 [2021-10-28 09:21:25,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967596449] [2021-10-28 09:21:25,685 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:25,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:25,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 09:21:25,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-10-28 09:21:25,686 INFO L87 Difference]: Start difference. First operand 3304 states and 4602 transitions. cyclomatic complexity: 1324 Second operand has 16 states, 15 states have (on average 7.933333333333334) internal successors, (119), 16 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:28,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:28,293 INFO L93 Difference]: Finished difference Result 7612 states and 9710 transitions. [2021-10-28 09:21:28,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-10-28 09:21:28,294 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7612 states and 9710 transitions. [2021-10-28 09:21:28,334 INFO L131 ngComponentsAnalysis]: Automaton has 22 accepting balls. 5804 [2021-10-28 09:21:28,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7612 states to 6767 states and 8354 transitions. [2021-10-28 09:21:28,424 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6767 [2021-10-28 09:21:28,431 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6767 [2021-10-28 09:21:28,432 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6767 states and 8354 transitions. [2021-10-28 09:21:28,442 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:28,442 INFO L681 BuchiCegarLoop]: Abstraction has 6767 states and 8354 transitions. [2021-10-28 09:21:28,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6767 states and 8354 transitions. [2021-10-28 09:21:28,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6767 to 2240. [2021-10-28 09:21:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2240 states, 2240 states have (on average 1.3852678571428572) internal successors, (3103), 2239 states have internal predecessors, (3103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:28,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2240 states to 2240 states and 3103 transitions. [2021-10-28 09:21:28,560 INFO L704 BuchiCegarLoop]: Abstraction has 2240 states and 3103 transitions. [2021-10-28 09:21:28,560 INFO L587 BuchiCegarLoop]: Abstraction has 2240 states and 3103 transitions. [2021-10-28 09:21:28,560 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 09:21:28,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2240 states and 3103 transitions. [2021-10-28 09:21:28,569 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 2064 [2021-10-28 09:21:28,570 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:28,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:28,571 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:28,571 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:28,572 INFO L791 eck$LassoCheckResult]: Stem: 35272#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 35266#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 35257#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35259#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35281#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 35282#L51-1 mp_add_~nb~0 := 4; 36875#L61 assume !(0 == mp_add_~b3~0 % 256); 35270#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 35271#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 36125#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 35314#L76 [2021-10-28 09:21:28,572 INFO L793 eck$LassoCheckResult]: Loop: 35314#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 35273#L76-2 assume !(1 == mp_add_~i~0 % 256); 35274#L77-1 assume !(2 == mp_add_~i~0 % 256); 35275#L78-1 assume !(3 == mp_add_~i~0 % 256); 35279#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 35277#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 35278#L82-2 assume !(1 == mp_add_~i~0 % 256); 35284#L83-1 assume !(2 == mp_add_~i~0 % 256); 37488#L84-1 assume !(3 == mp_add_~i~0 % 256); 37487#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 37482#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 35661#L91-1 assume !(1 == mp_add_~i~0 % 256); 37481#L92-1 assume !(2 == mp_add_~i~0 % 256); 37480#L93-1 assume !(3 == mp_add_~i~0 % 256); 37479#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37478#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37441#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37440#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37439#L82 assume !(0 == mp_add_~i~0 % 256); 37437#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 35287#L83-1 assume !(2 == mp_add_~i~0 % 256); 35280#L84-1 assume !(3 == mp_add_~i~0 % 256); 35276#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 35267#L87-1 assume !(0 == mp_add_~i~0 % 256); 35256#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 35254#L92-1 assume !(2 == mp_add_~i~0 % 256); 35255#L93-1 assume !(3 == mp_add_~i~0 % 256); 35269#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 35264#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 35265#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 35283#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37436#L82 assume !(0 == mp_add_~i~0 % 256); 37435#L82-2 assume !(1 == mp_add_~i~0 % 256); 37400#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 37262#L84-1 assume !(3 == mp_add_~i~0 % 256); 37386#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 37385#L87-1 assume !(0 == mp_add_~i~0 % 256); 37384#L91-1 assume !(1 == mp_add_~i~0 % 256); 37213#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 37212#L93-1 assume !(3 == mp_add_~i~0 % 256); 37211#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37210#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37209#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37208#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37206#L82 assume !(0 == mp_add_~i~0 % 256); 37205#L82-2 assume !(1 == mp_add_~i~0 % 256); 37203#L83-1 assume !(2 == mp_add_~i~0 % 256); 37171#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 37169#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 37168#L87-1 assume !(0 == mp_add_~i~0 % 256); 37167#L91-1 assume !(1 == mp_add_~i~0 % 256); 37166#L92-1 assume !(2 == mp_add_~i~0 % 256); 37165#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 37164#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37163#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37161#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37158#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 37156#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 37128#L87-1 assume !(0 == mp_add_~i~0 % 256); 37155#L91-1 assume !(1 == mp_add_~i~0 % 256); 37147#L92-1 assume !(2 == mp_add_~i~0 % 256); 37148#L93-1 assume !(3 == mp_add_~i~0 % 256); 37276#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37275#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37274#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37273#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 37272#L82 assume !(0 == mp_add_~i~0 % 256); 37271#L82-2 assume !(1 == mp_add_~i~0 % 256); 37270#L83-1 assume !(2 == mp_add_~i~0 % 256); 37269#L84-1 assume !(3 == mp_add_~i~0 % 256); 37195#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 37196#L87-1 assume !(0 == mp_add_~i~0 % 256); 37191#L91-1 assume !(1 == mp_add_~i~0 % 256); 37192#L92-1 assume !(2 == mp_add_~i~0 % 256); 37187#L93-1 assume !(3 == mp_add_~i~0 % 256); 37188#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37183#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37184#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 37315#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 37317#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 37070#L87-1 assume !(0 == mp_add_~i~0 % 256); 37071#L91-1 assume !(1 == mp_add_~i~0 % 256); 37279#L92-1 assume !(2 == mp_add_~i~0 % 256); 37102#L93-1 assume !(3 == mp_add_~i~0 % 256); 37093#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 37094#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 37086#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 35314#L76 [2021-10-28 09:21:28,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:28,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 10 times [2021-10-28 09:21:28,573 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:28,573 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983936480] [2021-10-28 09:21:28,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:28,574 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:28,592 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:28,611 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:28,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:28,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1754230746, now seen corresponding path program 2 times [2021-10-28 09:21:28,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:28,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418795448] [2021-10-28 09:21:28,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:28,612 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 9 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2021-10-28 09:21:28,824 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:28,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418795448] [2021-10-28 09:21:28,825 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418795448] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:28,825 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [406999359] [2021-10-28 09:21:28,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:21:28,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:28,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:28,828 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:28,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Waiting until timeout for monitored process [2021-10-28 09:21:29,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:21:29,053 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:21:29,054 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:21:29,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:29,311 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 144 proven. 3 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2021-10-28 09:21:29,312 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [406999359] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:29,312 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:29,312 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4] total 11 [2021-10-28 09:21:29,312 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852499539] [2021-10-28 09:21:29,313 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:29,313 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:29,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-28 09:21:29,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:21:29,314 INFO L87 Difference]: Start difference. First operand 2240 states and 3103 transitions. cyclomatic complexity: 874 Second operand has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:31,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:31,072 INFO L93 Difference]: Finished difference Result 5472 states and 6798 transitions. [2021-10-28 09:21:31,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-10-28 09:21:31,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 5472 states and 6798 transitions. [2021-10-28 09:21:31,098 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 4405 [2021-10-28 09:21:31,159 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 5472 states to 4656 states and 5773 transitions. [2021-10-28 09:21:31,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4656 [2021-10-28 09:21:31,165 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4656 [2021-10-28 09:21:31,165 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4656 states and 5773 transitions. [2021-10-28 09:21:31,171 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:31,171 INFO L681 BuchiCegarLoop]: Abstraction has 4656 states and 5773 transitions. [2021-10-28 09:21:31,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4656 states and 5773 transitions. [2021-10-28 09:21:31,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4656 to 1902. [2021-10-28 09:21:31,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1902 states, 1902 states have (on average 1.2860147213459516) internal successors, (2446), 1901 states have internal predecessors, (2446), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1902 states to 1902 states and 2446 transitions. [2021-10-28 09:21:31,231 INFO L704 BuchiCegarLoop]: Abstraction has 1902 states and 2446 transitions. [2021-10-28 09:21:31,231 INFO L587 BuchiCegarLoop]: Abstraction has 1902 states and 2446 transitions. [2021-10-28 09:21:31,231 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 09:21:31,232 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1902 states and 2446 transitions. [2021-10-28 09:21:31,238 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1774 [2021-10-28 09:21:31,239 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:31,239 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:31,242 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:31,243 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:31,243 INFO L791 eck$LassoCheckResult]: Stem: 43362#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 43353#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 43343#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 43345#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 43375#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 43376#L51-1 mp_add_~nb~0 := 4; 43838#L61 assume !(0 == mp_add_~b3~0 % 256); 43835#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 43834#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43833#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 43442#L76 [2021-10-28 09:21:31,243 INFO L793 eck$LassoCheckResult]: Loop: 43442#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 43832#L76-2 assume !(1 == mp_add_~i~0 % 256); 43831#L77-1 assume !(2 == mp_add_~i~0 % 256); 43822#L78-1 assume !(3 == mp_add_~i~0 % 256); 43821#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43799#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 43585#L82-2 assume !(1 == mp_add_~i~0 % 256); 43798#L83-1 assume !(2 == mp_add_~i~0 % 256); 43797#L84-1 assume !(3 == mp_add_~i~0 % 256); 43794#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 43791#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 43424#L91-1 assume !(1 == mp_add_~i~0 % 256); 43645#L92-1 assume !(2 == mp_add_~i~0 % 256); 43644#L93-1 assume !(3 == mp_add_~i~0 % 256); 43642#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43643#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43380#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43381#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43820#L82 assume !(0 == mp_add_~i~0 % 256); 43815#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 43435#L83-1 assume !(2 == mp_add_~i~0 % 256); 43814#L84-1 assume !(3 == mp_add_~i~0 % 256); 43813#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 43812#L87-1 assume !(0 == mp_add_~i~0 % 256); 43626#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 43535#L92-1 assume !(2 == mp_add_~i~0 % 256); 43625#L93-1 assume !(3 == mp_add_~i~0 % 256); 43624#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43623#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43622#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43621#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43620#L82 assume !(0 == mp_add_~i~0 % 256); 43619#L82-2 assume !(1 == mp_add_~i~0 % 256); 43618#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 43432#L84-1 assume !(3 == mp_add_~i~0 % 256); 43617#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 43615#L87-1 assume !(0 == mp_add_~i~0 % 256); 43613#L91-1 assume !(1 == mp_add_~i~0 % 256); 43612#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 43419#L93-1 assume !(3 == mp_add_~i~0 % 256); 43611#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43511#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43512#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43507#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43508#L82 assume !(0 == mp_add_~i~0 % 256); 43503#L82-2 assume !(1 == mp_add_~i~0 % 256); 43504#L83-1 assume !(2 == mp_add_~i~0 % 256); 43610#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 43429#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 43495#L87-1 assume !(0 == mp_add_~i~0 % 256); 43540#L91-1 assume !(1 == mp_add_~i~0 % 256); 43541#L92-1 assume !(2 == mp_add_~i~0 % 256); 43609#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 43587#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43608#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43607#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43606#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43605#L82 assume !(0 == mp_add_~i~0 % 256); 43604#L82-2 assume !(1 == mp_add_~i~0 % 256); 43603#L83-1 assume !(2 == mp_add_~i~0 % 256); 43602#L84-1 assume !(3 == mp_add_~i~0 % 256); 43601#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 43600#L87-1 assume !(0 == mp_add_~i~0 % 256); 43599#L91-1 assume !(1 == mp_add_~i~0 % 256); 43598#L92-1 assume !(2 == mp_add_~i~0 % 256); 43597#L93-1 assume !(3 == mp_add_~i~0 % 256); 43596#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43473#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43474#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43469#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43470#L82 assume !(0 == mp_add_~i~0 % 256); 43465#L82-2 assume !(1 == mp_add_~i~0 % 256); 43466#L83-1 assume !(2 == mp_add_~i~0 % 256); 43461#L84-1 assume !(3 == mp_add_~i~0 % 256); 43462#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 43457#L87-1 assume !(0 == mp_add_~i~0 % 256); 43458#L91-1 assume !(1 == mp_add_~i~0 % 256); 43453#L92-1 assume !(2 == mp_add_~i~0 % 256); 43454#L93-1 assume !(3 == mp_add_~i~0 % 256); 43449#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43450#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43443#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 43444#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 43437#L82 assume !(0 == mp_add_~i~0 % 256); 43438#L82-2 assume !(1 == mp_add_~i~0 % 256); 43431#L83-1 assume !(2 == mp_add_~i~0 % 256); 43433#L84-1 assume !(3 == mp_add_~i~0 % 256); 43426#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 43427#L87-1 assume !(0 == mp_add_~i~0 % 256); 43588#L91-1 assume !(1 == mp_add_~i~0 % 256); 43418#L92-1 assume !(2 == mp_add_~i~0 % 256); 43420#L93-1 assume !(3 == mp_add_~i~0 % 256); 43413#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 43414#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 43441#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 43442#L76 [2021-10-28 09:21:31,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:31,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2147194379, now seen corresponding path program 11 times [2021-10-28 09:21:31,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:31,244 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740216587] [2021-10-28 09:21:31,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:31,245 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:31,257 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:31,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:31,270 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:31,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:31,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1095335616, now seen corresponding path program 1 times [2021-10-28 09:21:31,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:31,271 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177914338] [2021-10-28 09:21:31,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:31,272 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:31,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 93 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:31,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:31,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177914338] [2021-10-28 09:21:31,490 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177914338] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:31,490 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993360213] [2021-10-28 09:21:31,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:31,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:31,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:31,494 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:31,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2021-10-28 09:21:31,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:31,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 09:21:31,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:33,211 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 143 proven. 12 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-10-28 09:21:33,211 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993360213] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:33,211 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:33,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-10-28 09:21:33,212 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304832982] [2021-10-28 09:21:33,212 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:33,213 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:33,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-10-28 09:21:33,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2021-10-28 09:21:33,214 INFO L87 Difference]: Start difference. First operand 1902 states and 2446 transitions. cyclomatic complexity: 555 Second operand has 17 states, 16 states have (on average 8.0625) internal successors, (129), 17 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:35,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:35,751 INFO L93 Difference]: Finished difference Result 2014 states and 2551 transitions. [2021-10-28 09:21:35,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-28 09:21:35,751 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 2014 states and 2551 transitions. [2021-10-28 09:21:35,758 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1703 [2021-10-28 09:21:35,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 2014 states to 2014 states and 2551 transitions. [2021-10-28 09:21:35,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 2014 [2021-10-28 09:21:35,771 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 2014 [2021-10-28 09:21:35,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2014 states and 2551 transitions. [2021-10-28 09:21:35,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:35,774 INFO L681 BuchiCegarLoop]: Abstraction has 2014 states and 2551 transitions. [2021-10-28 09:21:35,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2014 states and 2551 transitions. [2021-10-28 09:21:35,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2014 to 1865. [2021-10-28 09:21:35,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1865 states, 1865 states have (on average 1.2857908847184987) internal successors, (2398), 1864 states have internal predecessors, (2398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:35,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1865 states to 1865 states and 2398 transitions. [2021-10-28 09:21:35,814 INFO L704 BuchiCegarLoop]: Abstraction has 1865 states and 2398 transitions. [2021-10-28 09:21:35,815 INFO L587 BuchiCegarLoop]: Abstraction has 1865 states and 2398 transitions. [2021-10-28 09:21:35,815 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-28 09:21:35,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1865 states and 2398 transitions. [2021-10-28 09:21:35,822 INFO L131 ngComponentsAnalysis]: Automaton has 11 accepting balls. 1684 [2021-10-28 09:21:35,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:35,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:35,823 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:35,823 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:35,824 INFO L791 eck$LassoCheckResult]: Stem: 47620#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 47611#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 47600#L51 assume !(0 == mp_add_~a3~0 % 256); 47601#L51-1 mp_add_~nb~0 := 4; 47603#L61 assume 0 == mp_add_~b3~0 % 256;mp_add_~nb~0 := mp_add_~nb~0 % 256 - 1; 47605#L63 assume !(0 == mp_add_~b2~0 % 256); 47606#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 48821#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 48822#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 48818#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 48816#L76-2 assume !(1 == mp_add_~i~0 % 256); 48817#L77-1 assume !(2 == mp_add_~i~0 % 256); 49024#L78-1 assume !(3 == mp_add_~i~0 % 256); 49025#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 48836#L81 [2021-10-28 09:21:35,824 INFO L793 eck$LassoCheckResult]: Loop: 48836#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 47678#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 47679#L91-1 assume !(1 == mp_add_~i~0 % 256); 47671#L92-1 assume !(2 == mp_add_~i~0 % 256); 47672#L93-1 assume !(3 == mp_add_~i~0 % 256); 47667#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 47668#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 49309#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 49310#L76 assume !(0 == mp_add_~i~0 % 256); 49303#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 49304#L77-1 assume !(2 == mp_add_~i~0 % 256); 49297#L78-1 assume !(3 == mp_add_~i~0 % 256); 49298#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 48285#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 48756#L87-1 assume !(0 == mp_add_~i~0 % 256); 47656#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 47657#L92-1 assume !(2 == mp_add_~i~0 % 256); 47652#L93-1 assume !(3 == mp_add_~i~0 % 256); 47653#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 47648#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 47649#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 48572#L76 assume !(0 == mp_add_~i~0 % 256); 48573#L76-2 assume !(1 == mp_add_~i~0 % 256); 47637#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 47638#L78-1 assume !(3 == mp_add_~i~0 % 256); 49381#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 48221#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 49378#L87-1 assume !(0 == mp_add_~i~0 % 256); 49377#L91-1 assume !(1 == mp_add_~i~0 % 256); 49376#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 49375#L93-1 assume !(3 == mp_add_~i~0 % 256); 49374#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 49325#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 49326#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 47636#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 49321#L76-2 assume !(1 == mp_add_~i~0 % 256); 49367#L77-1 assume !(2 == mp_add_~i~0 % 256); 49366#L78-1 assume !(3 == mp_add_~i~0 % 256); 49365#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 48836#L81 [2021-10-28 09:21:35,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:35,825 INFO L85 PathProgramCache]: Analyzing trace with hash -483244445, now seen corresponding path program 1 times [2021-10-28 09:21:35,825 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:35,825 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564652528] [2021-10-28 09:21:35,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:35,825 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:35,866 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:35,866 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564652528] [2021-10-28 09:21:35,866 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564652528] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:35,866 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:35,867 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:21:35,867 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740635234] [2021-10-28 09:21:35,867 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:21:35,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:35,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1898923092, now seen corresponding path program 1 times [2021-10-28 09:21:35,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:35,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067832172] [2021-10-28 09:21:35,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:35,869 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 09:21:35,922 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:35,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067832172] [2021-10-28 09:21:35,923 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067832172] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:35,923 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:35,923 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:21:35,923 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534661935] [2021-10-28 09:21:35,924 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:35,924 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:35,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:21:35,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:21:35,925 INFO L87 Difference]: Start difference. First operand 1865 states and 2398 transitions. cyclomatic complexity: 544 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:35,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:35,931 INFO L93 Difference]: Finished difference Result 1086 states and 1374 transitions. [2021-10-28 09:21:35,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:21:35,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1086 states and 1374 transitions. [2021-10-28 09:21:35,937 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 953 [2021-10-28 09:21:35,941 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1086 states to 1086 states and 1374 transitions. [2021-10-28 09:21:35,942 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1086 [2021-10-28 09:21:35,943 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1086 [2021-10-28 09:21:35,943 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1086 states and 1374 transitions. [2021-10-28 09:21:35,945 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:35,945 INFO L681 BuchiCegarLoop]: Abstraction has 1086 states and 1374 transitions. [2021-10-28 09:21:35,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1086 states and 1374 transitions. [2021-10-28 09:21:35,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1086 to 1086. [2021-10-28 09:21:35,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1086 states, 1086 states have (on average 1.2651933701657458) internal successors, (1374), 1085 states have internal predecessors, (1374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:35,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 1086 states and 1374 transitions. [2021-10-28 09:21:35,965 INFO L704 BuchiCegarLoop]: Abstraction has 1086 states and 1374 transitions. [2021-10-28 09:21:35,965 INFO L587 BuchiCegarLoop]: Abstraction has 1086 states and 1374 transitions. [2021-10-28 09:21:35,965 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-28 09:21:35,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1086 states and 1374 transitions. [2021-10-28 09:21:35,969 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 953 [2021-10-28 09:21:35,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:35,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:35,971 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:35,971 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:35,971 INFO L791 eck$LassoCheckResult]: Stem: 50578#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 50568#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 50559#L51 assume !(0 == mp_add_~a3~0 % 256); 50560#L51-1 mp_add_~nb~0 := 4; 51447#L61 assume !(0 == mp_add_~b3~0 % 256); 51446#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 51445#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 51444#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 51443#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 51442#L76-2 assume !(1 == mp_add_~i~0 % 256); 51440#L77-1 assume !(2 == mp_add_~i~0 % 256); 51438#L78-1 assume !(3 == mp_add_~i~0 % 256); 51436#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 51434#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 51433#L82-2 assume !(1 == mp_add_~i~0 % 256); 51431#L83-1 assume !(2 == mp_add_~i~0 % 256); 51429#L84-1 assume !(3 == mp_add_~i~0 % 256); 51426#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 51427#L87-1 [2021-10-28 09:21:35,972 INFO L793 eck$LassoCheckResult]: Loop: 51427#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 51156#L91-1 assume !(1 == mp_add_~i~0 % 256); 51514#L92-1 assume !(2 == mp_add_~i~0 % 256); 51513#L93-1 assume !(3 == mp_add_~i~0 % 256); 51414#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 51410#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 51411#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 51369#L76 assume !(0 == mp_add_~i~0 % 256); 51366#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 51125#L77-1 assume !(2 == mp_add_~i~0 % 256); 51364#L78-1 assume !(3 == mp_add_~i~0 % 256); 51362#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 51360#L82 assume !(0 == mp_add_~i~0 % 256); 51348#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 51346#L83-1 assume !(2 == mp_add_~i~0 % 256); 51343#L84-1 assume !(3 == mp_add_~i~0 % 256); 51342#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 51341#L87-1 assume !(0 == mp_add_~i~0 % 256); 50960#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 50958#L92-1 assume !(2 == mp_add_~i~0 % 256); 50955#L93-1 assume !(3 == mp_add_~i~0 % 256); 50956#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 51166#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 50945#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 50946#L76 assume !(0 == mp_add_~i~0 % 256); 51378#L76-2 assume !(1 == mp_add_~i~0 % 256); 51376#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 51096#L78-1 assume !(3 == mp_add_~i~0 % 256); 51374#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 51373#L82 assume !(0 == mp_add_~i~0 % 256); 51371#L82-2 assume !(1 == mp_add_~i~0 % 256); 51326#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 51324#L84-1 assume !(3 == mp_add_~i~0 % 256); 51321#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 51319#L87-1 assume !(0 == mp_add_~i~0 % 256); 51152#L91-1 assume !(1 == mp_add_~i~0 % 256); 51147#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 51143#L93-1 assume !(3 == mp_add_~i~0 % 256); 51138#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 51135#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 51132#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 50922#L76 assume !(0 == mp_add_~i~0 % 256); 51124#L76-2 assume !(1 == mp_add_~i~0 % 256); 51095#L77-1 assume !(2 == mp_add_~i~0 % 256); 51037#L78-1 assume !(3 == mp_add_~i~0 % 256); 51038#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 51045#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 51359#L82-2 assume !(1 == mp_add_~i~0 % 256); 51517#L83-1 assume !(2 == mp_add_~i~0 % 256); 51516#L84-1 assume !(3 == mp_add_~i~0 % 256); 51515#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 51427#L87-1 [2021-10-28 09:21:35,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:35,972 INFO L85 PathProgramCache]: Analyzing trace with hash 389365736, now seen corresponding path program 1 times [2021-10-28 09:21:35,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:35,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058965826] [2021-10-28 09:21:35,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:35,973 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:36,021 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:36,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:36,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:36,039 INFO L85 PathProgramCache]: Analyzing trace with hash -1734479178, now seen corresponding path program 1 times [2021-10-28 09:21:36,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:36,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648839831] [2021-10-28 09:21:36,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:36,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-10-28 09:21:36,070 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:36,070 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648839831] [2021-10-28 09:21:36,070 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648839831] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:36,071 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:36,071 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:21:36,071 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68522471] [2021-10-28 09:21:36,072 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:36,072 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:36,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:21:36,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:21:36,073 INFO L87 Difference]: Start difference. First operand 1086 states and 1374 transitions. cyclomatic complexity: 295 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:36,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:36,141 INFO L93 Difference]: Finished difference Result 1064 states and 1328 transitions. [2021-10-28 09:21:36,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:21:36,142 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1064 states and 1328 transitions. [2021-10-28 09:21:36,147 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 931 [2021-10-28 09:21:36,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1064 states to 1064 states and 1328 transitions. [2021-10-28 09:21:36,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1064 [2021-10-28 09:21:36,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1064 [2021-10-28 09:21:36,154 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1064 states and 1328 transitions. [2021-10-28 09:21:36,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:36,156 INFO L681 BuchiCegarLoop]: Abstraction has 1064 states and 1328 transitions. [2021-10-28 09:21:36,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states and 1328 transitions. [2021-10-28 09:21:36,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1062. [2021-10-28 09:21:36,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1062 states, 1062 states have (on average 1.2485875706214689) internal successors, (1326), 1061 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:36,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1326 transitions. [2021-10-28 09:21:36,175 INFO L704 BuchiCegarLoop]: Abstraction has 1062 states and 1326 transitions. [2021-10-28 09:21:36,175 INFO L587 BuchiCegarLoop]: Abstraction has 1062 states and 1326 transitions. [2021-10-28 09:21:36,175 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-28 09:21:36,176 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1062 states and 1326 transitions. [2021-10-28 09:21:36,179 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 929 [2021-10-28 09:21:36,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:36,180 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:36,181 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:36,181 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:36,181 INFO L791 eck$LassoCheckResult]: Stem: 52732#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 52723#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 52715#L51 assume !(0 == mp_add_~a3~0 % 256); 52716#L51-1 mp_add_~nb~0 := 4; 52727#L61 assume !(0 == mp_add_~b3~0 % 256); 52729#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 52730#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 53645#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 53643#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 53641#L76-2 assume !(1 == mp_add_~i~0 % 256); 53642#L77-1 assume !(2 == mp_add_~i~0 % 256); 53709#L78-1 assume !(3 == mp_add_~i~0 % 256); 53628#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 53622#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 53623#L82-2 assume !(1 == mp_add_~i~0 % 256); 53705#L83-1 assume !(2 == mp_add_~i~0 % 256); 53703#L84-1 assume !(3 == mp_add_~i~0 % 256); 53701#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 53596#L87-1 [2021-10-28 09:21:36,181 INFO L793 eck$LassoCheckResult]: Loop: 53596#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 53597#L91-1 assume !(1 == mp_add_~i~0 % 256); 53695#L92-1 assume !(2 == mp_add_~i~0 % 256); 53693#L93-1 assume !(3 == mp_add_~i~0 % 256); 53575#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 52795#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 52796#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 53567#L76 assume !(0 == mp_add_~i~0 % 256); 53566#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 53278#L77-1 assume !(2 == mp_add_~i~0 % 256); 53565#L78-1 assume !(3 == mp_add_~i~0 % 256); 53563#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 53564#L82 assume !(0 == mp_add_~i~0 % 256); 53492#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 53489#L83-1 assume !(2 == mp_add_~i~0 % 256); 53485#L84-1 assume !(3 == mp_add_~i~0 % 256); 53480#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 53477#L87-1 assume !(0 == mp_add_~i~0 % 256); 53113#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 53114#L92-1 assume !(2 == mp_add_~i~0 % 256); 53322#L93-1 assume !(3 == mp_add_~i~0 % 256); 53320#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 53101#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 53102#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 53309#L76 assume !(0 == mp_add_~i~0 % 256); 53303#L76-2 assume !(1 == mp_add_~i~0 % 256); 53275#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 53207#L78-1 assume !(3 == mp_add_~i~0 % 256); 53270#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 53268#L82 assume !(0 == mp_add_~i~0 % 256); 53266#L82-2 assume !(1 == mp_add_~i~0 % 256); 53265#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 53260#L84-1 assume !(3 == mp_add_~i~0 % 256); 53256#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 53254#L87-1 assume !(0 == mp_add_~i~0 % 256); 53250#L91-1 assume !(1 == mp_add_~i~0 % 256); 53203#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 53204#L93-1 assume !(3 == mp_add_~i~0 % 256); 53175#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 53176#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 53165#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 53166#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 53283#L76-2 assume !(1 == mp_add_~i~0 % 256); 53638#L77-1 assume !(2 == mp_add_~i~0 % 256); 53633#L78-1 assume !(3 == mp_add_~i~0 % 256); 53634#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 53707#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 53617#L82-2 assume !(1 == mp_add_~i~0 % 256); 53612#L83-1 assume !(2 == mp_add_~i~0 % 256); 53607#L84-1 assume !(3 == mp_add_~i~0 % 256); 53602#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 53596#L87-1 [2021-10-28 09:21:36,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash 389365736, now seen corresponding path program 2 times [2021-10-28 09:21:36,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:36,182 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261095327] [2021-10-28 09:21:36,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:36,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:36,200 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:36,218 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:36,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:36,219 INFO L85 PathProgramCache]: Analyzing trace with hash 652692538, now seen corresponding path program 1 times [2021-10-28 09:21:36,219 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:36,219 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833777187] [2021-10-28 09:21:36,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:36,220 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-10-28 09:21:36,293 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:36,293 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833777187] [2021-10-28 09:21:36,293 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833777187] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:36,293 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:36,294 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:21:36,294 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86030154] [2021-10-28 09:21:36,294 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:36,295 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:36,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:21:36,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:21:36,295 INFO L87 Difference]: Start difference. First operand 1062 states and 1326 transitions. cyclomatic complexity: 271 Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:36,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:36,452 INFO L93 Difference]: Finished difference Result 1510 states and 1866 transitions. [2021-10-28 09:21:36,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:21:36,453 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1510 states and 1866 transitions. [2021-10-28 09:21:36,460 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1351 [2021-10-28 09:21:36,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1510 states to 1510 states and 1866 transitions. [2021-10-28 09:21:36,467 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1510 [2021-10-28 09:21:36,468 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1510 [2021-10-28 09:21:36,468 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1510 states and 1866 transitions. [2021-10-28 09:21:36,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:36,470 INFO L681 BuchiCegarLoop]: Abstraction has 1510 states and 1866 transitions. [2021-10-28 09:21:36,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1510 states and 1866 transitions. [2021-10-28 09:21:36,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1510 to 1094. [2021-10-28 09:21:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1094 states, 1094 states have (on average 1.2440585009140768) internal successors, (1361), 1093 states have internal predecessors, (1361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1361 transitions. [2021-10-28 09:21:36,493 INFO L704 BuchiCegarLoop]: Abstraction has 1094 states and 1361 transitions. [2021-10-28 09:21:36,493 INFO L587 BuchiCegarLoop]: Abstraction has 1094 states and 1361 transitions. [2021-10-28 09:21:36,493 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-28 09:21:36,493 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1094 states and 1361 transitions. [2021-10-28 09:21:36,497 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 961 [2021-10-28 09:21:36,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:36,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:36,498 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:36,498 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:36,499 INFO L791 eck$LassoCheckResult]: Stem: 55314#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 55305#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 55299#L51 assume !(0 == mp_add_~a3~0 % 256); 55300#L51-1 mp_add_~nb~0 := 4; 55309#L61 assume !(0 == mp_add_~b3~0 % 256); 55312#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 55313#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55831#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 55832#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 55890#L76-2 assume !(1 == mp_add_~i~0 % 256); 55891#L77-1 assume !(2 == mp_add_~i~0 % 256); 55882#L78-1 assume !(3 == mp_add_~i~0 % 256); 55883#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 55874#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 55875#L82-2 assume !(1 == mp_add_~i~0 % 256); 55866#L83-1 assume !(2 == mp_add_~i~0 % 256); 55867#L84-1 assume !(3 == mp_add_~i~0 % 256); 55855#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 55856#L87-1 [2021-10-28 09:21:36,499 INFO L793 eck$LassoCheckResult]: Loop: 55856#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 55851#L91-1 assume !(1 == mp_add_~i~0 % 256); 55852#L92-1 assume !(2 == mp_add_~i~0 % 256); 55848#L93-1 assume !(3 == mp_add_~i~0 % 256); 55847#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 55843#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55844#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 56118#L76 assume !(0 == mp_add_~i~0 % 256); 56117#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 55931#L77-1 assume !(2 == mp_add_~i~0 % 256); 56114#L78-1 assume !(3 == mp_add_~i~0 % 256); 56110#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 56108#L82 assume !(0 == mp_add_~i~0 % 256); 56107#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 56052#L83-1 assume !(2 == mp_add_~i~0 % 256); 56106#L84-1 assume !(3 == mp_add_~i~0 % 256); 56104#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 56102#L87-1 assume !(0 == mp_add_~i~0 % 256); 55987#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 55986#L92-1 assume !(2 == mp_add_~i~0 % 256); 55985#L93-1 assume !(3 == mp_add_~i~0 % 256); 55984#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 55625#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55626#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 55983#L76 assume !(0 == mp_add_~i~0 % 256); 56129#L76-2 assume !(1 == mp_add_~i~0 % 256); 56128#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 55928#L78-1 assume !(3 == mp_add_~i~0 % 256); 56115#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 56112#L82 assume !(0 == mp_add_~i~0 % 256); 56109#L82-2 assume !(1 == mp_add_~i~0 % 256); 56030#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 56026#L84-1 assume !(3 == mp_add_~i~0 % 256); 56022#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 56023#L87-1 assume !(0 == mp_add_~i~0 % 256); 56050#L91-1 assume !(1 == mp_add_~i~0 % 256); 56046#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 56002#L93-1 assume !(3 == mp_add_~i~0 % 256); 55997#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 55995#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55993#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 55909#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 55846#L82 assume !(0 == mp_add_~i~0 % 256); 55599#L82-2 assume !(1 == mp_add_~i~0 % 256); 55593#L83-1 assume !(2 == mp_add_~i~0 % 256); 55595#L84-1 assume !(3 == mp_add_~i~0 % 256); 55972#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 55969#L87-1 assume !(0 == mp_add_~i~0 % 256); 55966#L91-1 assume !(1 == mp_add_~i~0 % 256); 55963#L92-1 assume !(2 == mp_add_~i~0 % 256); 55950#L93-1 assume !(3 == mp_add_~i~0 % 256); 55940#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 55939#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 55935#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 55936#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 55892#L76-2 assume !(1 == mp_add_~i~0 % 256); 55893#L77-1 assume !(2 == mp_add_~i~0 % 256); 55884#L78-1 assume !(3 == mp_add_~i~0 % 256); 55885#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 55876#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 55877#L82-2 assume !(1 == mp_add_~i~0 % 256); 55868#L83-1 assume !(2 == mp_add_~i~0 % 256); 55869#L84-1 assume !(3 == mp_add_~i~0 % 256); 55858#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 55856#L87-1 [2021-10-28 09:21:36,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:36,500 INFO L85 PathProgramCache]: Analyzing trace with hash 389365736, now seen corresponding path program 3 times [2021-10-28 09:21:36,500 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:36,500 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66014351] [2021-10-28 09:21:36,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:36,500 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:36,517 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:36,538 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:36,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:36,539 INFO L85 PathProgramCache]: Analyzing trace with hash 527933431, now seen corresponding path program 1 times [2021-10-28 09:21:36,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:36,539 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743368048] [2021-10-28 09:21:36,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:36,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:36,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:36,692 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2021-10-28 09:21:36,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:36,692 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743368048] [2021-10-28 09:21:36,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743368048] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:36,693 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:36,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:21:36,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416367340] [2021-10-28 09:21:36,694 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:36,694 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:36,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:21:36,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:21:36,695 INFO L87 Difference]: Start difference. First operand 1094 states and 1361 transitions. cyclomatic complexity: 274 Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:36,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:36,830 INFO L93 Difference]: Finished difference Result 1270 states and 1564 transitions. [2021-10-28 09:21:36,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:21:36,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1270 states and 1564 transitions. [2021-10-28 09:21:36,837 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 1109 [2021-10-28 09:21:36,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1270 states to 1269 states and 1563 transitions. [2021-10-28 09:21:36,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1269 [2021-10-28 09:21:36,844 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1269 [2021-10-28 09:21:36,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1269 states and 1563 transitions. [2021-10-28 09:21:36,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:36,846 INFO L681 BuchiCegarLoop]: Abstraction has 1269 states and 1563 transitions. [2021-10-28 09:21:36,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states and 1563 transitions. [2021-10-28 09:21:36,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1054. [2021-10-28 09:21:36,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1054 states, 1054 states have (on average 1.2324478178368121) internal successors, (1299), 1053 states have internal predecessors, (1299), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:36,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 1054 states and 1299 transitions. [2021-10-28 09:21:36,871 INFO L704 BuchiCegarLoop]: Abstraction has 1054 states and 1299 transitions. [2021-10-28 09:21:36,871 INFO L587 BuchiCegarLoop]: Abstraction has 1054 states and 1299 transitions. [2021-10-28 09:21:36,872 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-10-28 09:21:36,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 1054 states and 1299 transitions. [2021-10-28 09:21:36,876 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 894 [2021-10-28 09:21:36,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:36,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:36,877 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:36,878 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:36,878 INFO L791 eck$LassoCheckResult]: Stem: 57689#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 57681#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 57674#L51 assume !(0 == mp_add_~a3~0 % 256); 57675#L51-1 mp_add_~nb~0 := 4; 57947#L61 assume !(0 == mp_add_~b3~0 % 256); 57946#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 57945#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 57944#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 57943#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 57941#L76-2 assume !(1 == mp_add_~i~0 % 256); 57942#L77-1 assume !(2 == mp_add_~i~0 % 256); 57937#L78-1 assume !(3 == mp_add_~i~0 % 256); 57938#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 57933#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 57934#L82-2 assume !(1 == mp_add_~i~0 % 256); 57929#L83-1 assume !(2 == mp_add_~i~0 % 256); 57930#L84-1 assume !(3 == mp_add_~i~0 % 256); 57925#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 57924#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 57922#L91-1 assume !(1 == mp_add_~i~0 % 256); 57923#L92-1 assume !(2 == mp_add_~i~0 % 256); 58688#L93-1 assume !(3 == mp_add_~i~0 % 256); 58686#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 57916#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 57917#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 57912#L76 assume !(0 == mp_add_~i~0 % 256); 57913#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 57967#L77-1 [2021-10-28 09:21:36,878 INFO L793 eck$LassoCheckResult]: Loop: 57967#L77-1 assume !(2 == mp_add_~i~0 % 256); 58024#L78-1 assume !(3 == mp_add_~i~0 % 256); 58023#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 58022#L82 assume !(0 == mp_add_~i~0 % 256); 58021#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 57957#L83-1 assume !(2 == mp_add_~i~0 % 256); 58020#L84-1 assume !(3 == mp_add_~i~0 % 256); 58018#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 58019#L87-1 assume !(0 == mp_add_~i~0 % 256); 58016#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 58015#L92-1 assume !(2 == mp_add_~i~0 % 256); 58014#L93-1 assume !(3 == mp_add_~i~0 % 256); 57850#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 57851#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 57843#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 57844#L76 assume !(0 == mp_add_~i~0 % 256); 57834#L76-2 assume !(1 == mp_add_~i~0 % 256); 57835#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 57964#L78-1 assume !(3 == mp_add_~i~0 % 256); 58008#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 58005#L82 assume !(0 == mp_add_~i~0 % 256); 57995#L82-2 assume !(1 == mp_add_~i~0 % 256); 57993#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 57955#L84-1 assume !(3 == mp_add_~i~0 % 256); 57983#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 57984#L87-1 assume !(0 == mp_add_~i~0 % 256); 58059#L91-1 assume !(1 == mp_add_~i~0 % 256); 58057#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 58054#L93-1 assume !(3 == mp_add_~i~0 % 256); 58033#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 58032#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 57971#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 57969#L76 assume !(0 == mp_add_~i~0 % 256); 58004#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 57967#L77-1 [2021-10-28 09:21:36,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:36,879 INFO L85 PathProgramCache]: Analyzing trace with hash 1546560413, now seen corresponding path program 1 times [2021-10-28 09:21:36,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:36,879 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918618434] [2021-10-28 09:21:36,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:36,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:36,924 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:36,961 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:36,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:36,962 INFO L85 PathProgramCache]: Analyzing trace with hash 686997403, now seen corresponding path program 1 times [2021-10-28 09:21:36,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:36,963 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785864332] [2021-10-28 09:21:36,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:36,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:36,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:37,017 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:37,018 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785864332] [2021-10-28 09:21:37,018 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785864332] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:37,020 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [880035240] [2021-10-28 09:21:37,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:37,020 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:37,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:37,027 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:37,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Waiting until timeout for monitored process [2021-10-28 09:21:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:37,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:21:37,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:37,500 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:21:37,500 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [880035240] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:37,500 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:21:37,500 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-10-28 09:21:37,501 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888600731] [2021-10-28 09:21:37,501 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:37,501 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:37,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:21:37,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:21:37,502 INFO L87 Difference]: Start difference. First operand 1054 states and 1299 transitions. cyclomatic complexity: 252 Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:37,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:37,647 INFO L93 Difference]: Finished difference Result 1047 states and 1254 transitions. [2021-10-28 09:21:37,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:21:37,647 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1047 states and 1254 transitions. [2021-10-28 09:21:37,650 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 831 [2021-10-28 09:21:37,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1047 states to 988 states and 1188 transitions. [2021-10-28 09:21:37,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 988 [2021-10-28 09:21:37,657 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 988 [2021-10-28 09:21:37,658 INFO L73 IsDeterministic]: Start isDeterministic. Operand 988 states and 1188 transitions. [2021-10-28 09:21:37,659 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:37,659 INFO L681 BuchiCegarLoop]: Abstraction has 988 states and 1188 transitions. [2021-10-28 09:21:37,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states and 1188 transitions. [2021-10-28 09:21:37,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 862. [2021-10-28 09:21:37,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 862 states, 862 states have (on average 1.2157772621809744) internal successors, (1048), 861 states have internal predecessors, (1048), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:37,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1048 transitions. [2021-10-28 09:21:37,683 INFO L704 BuchiCegarLoop]: Abstraction has 862 states and 1048 transitions. [2021-10-28 09:21:37,683 INFO L587 BuchiCegarLoop]: Abstraction has 862 states and 1048 transitions. [2021-10-28 09:21:37,684 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-10-28 09:21:37,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 862 states and 1048 transitions. [2021-10-28 09:21:37,687 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 706 [2021-10-28 09:21:37,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:37,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:37,691 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:37,691 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:37,692 INFO L791 eck$LassoCheckResult]: Stem: 59899#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 59891#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 59884#L51 assume !(0 == mp_add_~a3~0 % 256); 59885#L51-1 mp_add_~nb~0 := 4; 60159#L61 assume !(0 == mp_add_~b3~0 % 256); 60158#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 60157#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 60156#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 60153#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 60151#L76-2 assume !(1 == mp_add_~i~0 % 256); 60152#L77-1 assume !(2 == mp_add_~i~0 % 256); 60147#L78-1 assume !(3 == mp_add_~i~0 % 256); 60148#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 60143#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 60144#L82-2 assume !(1 == mp_add_~i~0 % 256); 60139#L83-1 assume !(2 == mp_add_~i~0 % 256); 60140#L84-1 assume !(3 == mp_add_~i~0 % 256); 60135#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 60136#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 60635#L91-1 assume !(1 == mp_add_~i~0 % 256); 60131#L92-1 assume !(2 == mp_add_~i~0 % 256); 60130#L93-1 assume !(3 == mp_add_~i~0 % 256); 60129#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 60033#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 60034#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 59968#L76 assume !(0 == mp_add_~i~0 % 256); 60448#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 60200#L77-1 [2021-10-28 09:21:37,692 INFO L793 eck$LassoCheckResult]: Loop: 60200#L77-1 assume !(2 == mp_add_~i~0 % 256); 59952#L78-1 assume !(3 == mp_add_~i~0 % 256); 59953#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 60447#L82 assume !(0 == mp_add_~i~0 % 256); 60031#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 60032#L83-1 assume !(2 == mp_add_~i~0 % 256); 60445#L84-1 assume !(3 == mp_add_~i~0 % 256); 59944#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 59945#L87-1 assume !(0 == mp_add_~i~0 % 256); 60444#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 59932#L92-1 assume !(2 == mp_add_~i~0 % 256); 59933#L93-1 assume !(3 == mp_add_~i~0 % 256); 60443#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 60442#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 59926#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 59924#L76 assume !(0 == mp_add_~i~0 % 256); 59925#L76-2 assume !(1 == mp_add_~i~0 % 256); 60440#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 60197#L78-1 assume !(3 == mp_add_~i~0 % 256); 60433#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 60439#L82 assume !(0 == mp_add_~i~0 % 256); 60437#L82-2 assume !(1 == mp_add_~i~0 % 256); 60435#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 60188#L84-1 assume !(3 == mp_add_~i~0 % 256); 60434#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 60393#L87-1 assume !(0 == mp_add_~i~0 % 256); 60391#L91-1 assume !(1 == mp_add_~i~0 % 256); 60389#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 60274#L93-1 assume !(3 == mp_add_~i~0 % 256); 60386#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 60384#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 60381#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 60380#L76 assume !(0 == mp_add_~i~0 % 256); 60379#L76-2 assume !(1 == mp_add_~i~0 % 256); 60378#L77-1 assume !(2 == mp_add_~i~0 % 256); 60377#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 60194#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 60220#L82 assume !(0 == mp_add_~i~0 % 256); 60456#L82-2 assume !(1 == mp_add_~i~0 % 256); 60283#L83-1 assume !(2 == mp_add_~i~0 % 256); 60218#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 60184#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 60216#L87-1 assume !(0 == mp_add_~i~0 % 256); 60215#L91-1 assume !(1 == mp_add_~i~0 % 256); 60214#L92-1 assume !(2 == mp_add_~i~0 % 256); 60211#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 60208#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 60207#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 60205#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 60203#L76 assume !(0 == mp_add_~i~0 % 256); 60225#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 60200#L77-1 [2021-10-28 09:21:37,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:37,693 INFO L85 PathProgramCache]: Analyzing trace with hash 1546560413, now seen corresponding path program 2 times [2021-10-28 09:21:37,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:37,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089604804] [2021-10-28 09:21:37,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:37,694 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:37,738 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:37,760 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:37,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:37,760 INFO L85 PathProgramCache]: Analyzing trace with hash 1708178002, now seen corresponding path program 1 times [2021-10-28 09:21:37,761 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:37,761 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52772210] [2021-10-28 09:21:37,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:37,761 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:37,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:37,827 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-10-28 09:21:37,827 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:37,828 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52772210] [2021-10-28 09:21:37,828 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52772210] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:37,828 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:37,828 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:21:37,828 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694010577] [2021-10-28 09:21:37,830 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:37,830 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:37,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:21:37,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:21:37,831 INFO L87 Difference]: Start difference. First operand 862 states and 1048 transitions. cyclomatic complexity: 192 Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:38,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:38,011 INFO L93 Difference]: Finished difference Result 1054 states and 1261 transitions. [2021-10-28 09:21:38,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:21:38,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1054 states and 1261 transitions. [2021-10-28 09:21:38,016 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 875 [2021-10-28 09:21:38,020 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1054 states to 1052 states and 1259 transitions. [2021-10-28 09:21:38,020 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1052 [2021-10-28 09:21:38,021 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1052 [2021-10-28 09:21:38,021 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1052 states and 1259 transitions. [2021-10-28 09:21:38,023 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:38,023 INFO L681 BuchiCegarLoop]: Abstraction has 1052 states and 1259 transitions. [2021-10-28 09:21:38,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states and 1259 transitions. [2021-10-28 09:21:38,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 890. [2021-10-28 09:21:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 890 states, 890 states have (on average 1.20561797752809) internal successors, (1073), 889 states have internal predecessors, (1073), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:38,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1073 transitions. [2021-10-28 09:21:38,040 INFO L704 BuchiCegarLoop]: Abstraction has 890 states and 1073 transitions. [2021-10-28 09:21:38,040 INFO L587 BuchiCegarLoop]: Abstraction has 890 states and 1073 transitions. [2021-10-28 09:21:38,040 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-10-28 09:21:38,041 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 890 states and 1073 transitions. [2021-10-28 09:21:38,044 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 734 [2021-10-28 09:21:38,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:38,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:38,045 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:38,045 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:38,046 INFO L791 eck$LassoCheckResult]: Stem: 61825#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 61818#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 61811#L51 assume !(0 == mp_add_~a3~0 % 256); 61812#L51-1 mp_add_~nb~0 := 4; 62197#L61 assume !(0 == mp_add_~b3~0 % 256); 62196#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 62195#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 62194#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 62193#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 62192#L76-2 assume !(1 == mp_add_~i~0 % 256); 62191#L77-1 assume !(2 == mp_add_~i~0 % 256); 62190#L78-1 assume !(3 == mp_add_~i~0 % 256); 62189#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62188#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 62187#L82-2 assume !(1 == mp_add_~i~0 % 256); 62186#L83-1 assume !(2 == mp_add_~i~0 % 256); 62185#L84-1 assume !(3 == mp_add_~i~0 % 256); 62183#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 62184#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 62585#L91-1 assume !(1 == mp_add_~i~0 % 256); 62179#L92-1 assume !(2 == mp_add_~i~0 % 256); 62178#L93-1 assume !(3 == mp_add_~i~0 % 256); 62177#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 62175#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 62176#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 62070#L76 assume !(0 == mp_add_~i~0 % 256); 62066#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 62020#L77-1 [2021-10-28 09:21:38,046 INFO L793 eck$LassoCheckResult]: Loop: 62020#L77-1 assume !(2 == mp_add_~i~0 % 256); 62053#L78-1 assume !(3 == mp_add_~i~0 % 256); 62054#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62159#L82 assume !(0 == mp_add_~i~0 % 256); 62158#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 62011#L83-1 assume !(2 == mp_add_~i~0 % 256); 62052#L84-1 assume !(3 == mp_add_~i~0 % 256); 62043#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 62044#L87-1 assume !(0 == mp_add_~i~0 % 256); 61999#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 62000#L92-1 assume !(2 == mp_add_~i~0 % 256); 61995#L93-1 assume !(3 == mp_add_~i~0 % 256); 61996#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 61991#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 61992#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 61987#L76 assume !(0 == mp_add_~i~0 % 256); 61988#L76-2 assume !(1 == mp_add_~i~0 % 256); 61984#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 61980#L78-1 assume !(3 == mp_add_~i~0 % 256); 61981#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62123#L82 assume !(0 == mp_add_~i~0 % 256); 62122#L82-2 assume !(1 == mp_add_~i~0 % 256); 62120#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 62009#L84-1 assume !(3 == mp_add_~i~0 % 256); 62116#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 61982#L87-1 assume !(0 == mp_add_~i~0 % 256); 61983#L91-1 assume !(1 == mp_add_~i~0 % 256); 61958#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 61957#L93-1 assume !(3 == mp_add_~i~0 % 256); 61949#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 61945#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 61941#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 61938#L76 assume !(0 == mp_add_~i~0 % 256); 61935#L76-2 assume !(1 == mp_add_~i~0 % 256); 61930#L77-1 assume !(2 == mp_add_~i~0 % 256); 61931#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 62035#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62095#L82 assume !(0 == mp_add_~i~0 % 256); 62100#L82-2 assume !(1 == mp_add_~i~0 % 256); 62096#L83-1 assume !(2 == mp_add_~i~0 % 256); 62094#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 61886#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 61884#L87-1 assume !(0 == mp_add_~i~0 % 256); 61885#L91-1 assume !(1 == mp_add_~i~0 % 256); 61880#L92-1 assume !(2 == mp_add_~i~0 % 256); 61881#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 61872#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 61873#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 61867#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 61869#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 62209#L82 assume !(0 == mp_add_~i~0 % 256); 62206#L82-2 assume !(1 == mp_add_~i~0 % 256); 62204#L83-1 assume !(2 == mp_add_~i~0 % 256); 62202#L84-1 assume !(3 == mp_add_~i~0 % 256); 62200#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 62201#L87-1 assume !(0 == mp_add_~i~0 % 256); 62102#L91-1 assume !(1 == mp_add_~i~0 % 256); 62097#L92-1 assume !(2 == mp_add_~i~0 % 256); 62099#L93-1 assume !(3 == mp_add_~i~0 % 256); 62025#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 62024#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 62022#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 62021#L76 assume !(0 == mp_add_~i~0 % 256); 62019#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 62020#L77-1 [2021-10-28 09:21:38,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:38,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1546560413, now seen corresponding path program 3 times [2021-10-28 09:21:38,047 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:38,047 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700065485] [2021-10-28 09:21:38,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:38,048 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:38,067 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:38,090 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:38,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:38,091 INFO L85 PathProgramCache]: Analyzing trace with hash -30286805, now seen corresponding path program 1 times [2021-10-28 09:21:38,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:38,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039530900] [2021-10-28 09:21:38,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:38,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:38,157 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 56 proven. 13 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-28 09:21:38,157 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:38,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039530900] [2021-10-28 09:21:38,158 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039530900] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:38,158 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769431162] [2021-10-28 09:21:38,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:38,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:38,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:38,167 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:38,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Waiting until timeout for monitored process [2021-10-28 09:21:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:38,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 09:21:38,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:38,937 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 60 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 09:21:38,937 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769431162] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:38,937 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:38,937 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 6] total 9 [2021-10-28 09:21:38,937 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185297165] [2021-10-28 09:21:38,938 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:38,938 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:38,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 09:21:38,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:21:38,939 INFO L87 Difference]: Start difference. First operand 890 states and 1073 transitions. cyclomatic complexity: 189 Second operand has 10 states, 9 states have (on average 9.333333333333334) internal successors, (84), 10 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:40,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:40,001 INFO L93 Difference]: Finished difference Result 1068 states and 1230 transitions. [2021-10-28 09:21:40,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-10-28 09:21:40,002 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1068 states and 1230 transitions. [2021-10-28 09:21:40,005 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 701 [2021-10-28 09:21:40,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1068 states to 1034 states and 1196 transitions. [2021-10-28 09:21:40,009 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1034 [2021-10-28 09:21:40,010 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1034 [2021-10-28 09:21:40,010 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1034 states and 1196 transitions. [2021-10-28 09:21:40,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:40,011 INFO L681 BuchiCegarLoop]: Abstraction has 1034 states and 1196 transitions. [2021-10-28 09:21:40,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1034 states and 1196 transitions. [2021-10-28 09:21:40,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1034 to 746. [2021-10-28 09:21:40,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 746 states, 746 states have (on average 1.17828418230563) internal successors, (879), 745 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:40,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 879 transitions. [2021-10-28 09:21:40,028 INFO L704 BuchiCegarLoop]: Abstraction has 746 states and 879 transitions. [2021-10-28 09:21:40,028 INFO L587 BuchiCegarLoop]: Abstraction has 746 states and 879 transitions. [2021-10-28 09:21:40,028 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-10-28 09:21:40,028 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 746 states and 879 transitions. [2021-10-28 09:21:40,030 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 540 [2021-10-28 09:21:40,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:40,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:40,032 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:40,032 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:40,032 INFO L791 eck$LassoCheckResult]: Stem: 64056#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 64049#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 64042#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 64044#L53 assume !(0 == mp_add_~a2~0 % 256); 64078#L51-1 mp_add_~nb~0 := 4; 64328#L61 assume !(0 == mp_add_~b3~0 % 256); 64327#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 64326#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64325#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 64324#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 64323#L76-2 assume !(1 == mp_add_~i~0 % 256); 64322#L77-1 assume !(2 == mp_add_~i~0 % 256); 64321#L78-1 assume !(3 == mp_add_~i~0 % 256); 64320#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64319#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 64318#L82-2 assume !(1 == mp_add_~i~0 % 256); 64317#L83-1 assume !(2 == mp_add_~i~0 % 256); 64316#L84-1 assume !(3 == mp_add_~i~0 % 256); 64314#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 64315#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 64524#L91-1 assume !(1 == mp_add_~i~0 % 256); 64310#L92-1 assume !(2 == mp_add_~i~0 % 256); 64309#L93-1 assume !(3 == mp_add_~i~0 % 256); 64308#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64306#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64307#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 64304#L76 assume !(0 == mp_add_~i~0 % 256); 64303#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 64090#L77-1 [2021-10-28 09:21:40,033 INFO L793 eck$LassoCheckResult]: Loop: 64090#L77-1 assume !(2 == mp_add_~i~0 % 256); 64302#L78-1 assume !(3 == mp_add_~i~0 % 256); 64301#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64300#L82 assume !(0 == mp_add_~i~0 % 256); 64299#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 64270#L83-1 assume !(2 == mp_add_~i~0 % 256); 64298#L84-1 assume !(3 == mp_add_~i~0 % 256); 64297#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 64296#L87-1 assume !(0 == mp_add_~i~0 % 256); 64295#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 64263#L92-1 assume !(2 == mp_add_~i~0 % 256); 64294#L93-1 assume !(3 == mp_add_~i~0 % 256); 64293#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64292#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64290#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 64291#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64380#L82 assume !(0 == mp_add_~i~0 % 256); 64378#L82-2 assume !(1 == mp_add_~i~0 % 256); 64377#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 64217#L84-1 assume !(3 == mp_add_~i~0 % 256); 64374#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 64373#L87-1 assume !(0 == mp_add_~i~0 % 256); 64372#L91-1 assume !(1 == mp_add_~i~0 % 256); 64371#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 64331#L93-1 assume !(3 == mp_add_~i~0 % 256); 64366#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64365#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64364#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 64363#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64362#L82 assume !(0 == mp_add_~i~0 % 256); 64360#L82-2 assume !(1 == mp_add_~i~0 % 256); 64359#L83-1 assume !(2 == mp_add_~i~0 % 256); 64358#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 64357#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 64356#L87-1 assume !(0 == mp_add_~i~0 % 256); 64355#L91-1 assume !(1 == mp_add_~i~0 % 256); 64354#L92-1 assume !(2 == mp_add_~i~0 % 256); 64353#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 64342#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64352#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64351#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 64350#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64349#L82 assume !(0 == mp_add_~i~0 % 256); 64348#L82-2 assume !(1 == mp_add_~i~0 % 256); 64347#L83-1 assume !(2 == mp_add_~i~0 % 256); 64346#L84-1 assume !(3 == mp_add_~i~0 % 256); 64345#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 64344#L87-1 assume !(0 == mp_add_~i~0 % 256); 64343#L91-1 assume !(1 == mp_add_~i~0 % 256); 64201#L92-1 assume !(2 == mp_add_~i~0 % 256); 64202#L93-1 assume !(3 == mp_add_~i~0 % 256); 64165#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64166#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64161#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 64162#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 64341#L82 assume !(0 == mp_add_~i~0 % 256); 64340#L82-2 assume !(1 == mp_add_~i~0 % 256); 64339#L83-1 assume !(2 == mp_add_~i~0 % 256); 64146#L84-1 assume !(3 == mp_add_~i~0 % 256); 64148#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 64142#L87-1 assume !(0 == mp_add_~i~0 % 256); 64143#L91-1 assume !(1 == mp_add_~i~0 % 256); 64104#L92-1 assume !(2 == mp_add_~i~0 % 256); 64106#L93-1 assume !(3 == mp_add_~i~0 % 256); 64096#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 64095#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 64093#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 64092#L76 assume !(0 == mp_add_~i~0 % 256); 64089#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 64090#L77-1 [2021-10-28 09:21:40,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:40,033 INFO L85 PathProgramCache]: Analyzing trace with hash -2142587749, now seen corresponding path program 1 times [2021-10-28 09:21:40,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:40,034 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768780326] [2021-10-28 09:21:40,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:40,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:40,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:40,088 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:40,118 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:40,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:40,119 INFO L85 PathProgramCache]: Analyzing trace with hash 2056653998, now seen corresponding path program 1 times [2021-10-28 09:21:40,119 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:40,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63969837] [2021-10-28 09:21:40,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:40,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:40,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2021-10-28 09:21:40,252 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:40,253 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63969837] [2021-10-28 09:21:40,253 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63969837] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:40,253 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:21:40,253 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:21:40,254 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131974670] [2021-10-28 09:21:40,254 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:40,254 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:40,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:21:40,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:21:40,255 INFO L87 Difference]: Start difference. First operand 746 states and 879 transitions. cyclomatic complexity: 141 Second operand has 5 states, 4 states have (on average 9.0) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:40,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:40,413 INFO L93 Difference]: Finished difference Result 750 states and 871 transitions. [2021-10-28 09:21:40,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:21:40,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 750 states and 871 transitions. [2021-10-28 09:21:40,416 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 500 [2021-10-28 09:21:40,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 750 states to 750 states and 871 transitions. [2021-10-28 09:21:40,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 750 [2021-10-28 09:21:40,420 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 750 [2021-10-28 09:21:40,420 INFO L73 IsDeterministic]: Start isDeterministic. Operand 750 states and 871 transitions. [2021-10-28 09:21:40,420 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:40,421 INFO L681 BuchiCegarLoop]: Abstraction has 750 states and 871 transitions. [2021-10-28 09:21:40,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 750 states and 871 transitions. [2021-10-28 09:21:40,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 750 to 732. [2021-10-28 09:21:40,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 732 states, 732 states have (on average 1.1625683060109289) internal successors, (851), 731 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:40,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 851 transitions. [2021-10-28 09:21:40,434 INFO L704 BuchiCegarLoop]: Abstraction has 732 states and 851 transitions. [2021-10-28 09:21:40,435 INFO L587 BuchiCegarLoop]: Abstraction has 732 states and 851 transitions. [2021-10-28 09:21:40,435 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-10-28 09:21:40,435 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 732 states and 851 transitions. [2021-10-28 09:21:40,437 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 485 [2021-10-28 09:21:40,437 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:40,437 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:40,438 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:40,438 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:40,438 INFO L791 eck$LassoCheckResult]: Stem: 65562#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 65552#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 65545#L51 assume !(0 == mp_add_~a3~0 % 256); 65546#L51-1 mp_add_~nb~0 := 4; 65772#L61 assume !(0 == mp_add_~b3~0 % 256); 65771#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 65770#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 65769#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 65768#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 65767#L76-2 assume !(1 == mp_add_~i~0 % 256); 65766#L77-1 assume !(2 == mp_add_~i~0 % 256); 65765#L78-1 assume !(3 == mp_add_~i~0 % 256); 65764#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 65763#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 65762#L82-2 assume !(1 == mp_add_~i~0 % 256); 65761#L83-1 assume !(2 == mp_add_~i~0 % 256); 65760#L84-1 assume !(3 == mp_add_~i~0 % 256); 65606#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 65605#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 65604#L91-1 assume !(1 == mp_add_~i~0 % 256); 65603#L92-1 assume !(2 == mp_add_~i~0 % 256); 65601#L93-1 assume !(3 == mp_add_~i~0 % 256); 65602#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 65597#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 65598#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 65594#L76 assume !(0 == mp_add_~i~0 % 256); 65592#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 65593#L77-1 assume !(2 == mp_add_~i~0 % 256); 66046#L78-1 assume !(3 == mp_add_~i~0 % 256); 66044#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 66045#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 66252#L87-1 assume !(0 == mp_add_~i~0 % 256); 66251#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 66250#L92-1 assume !(2 == mp_add_~i~0 % 256); 66249#L93-1 assume !(3 == mp_add_~i~0 % 256); 66248#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 66247#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 66246#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 66244#L76 assume !(0 == mp_add_~i~0 % 256); 66242#L76-2 assume !(1 == mp_add_~i~0 % 256); 66237#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 66238#L78-1 [2021-10-28 09:21:40,439 INFO L793 eck$LassoCheckResult]: Loop: 66238#L78-1 assume !(3 == mp_add_~i~0 % 256); 66270#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 66050#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 66267#L87-1 assume !(0 == mp_add_~i~0 % 256); 65543#L91-1 assume !(1 == mp_add_~i~0 % 256); 65544#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 65560#L93-1 assume !(3 == mp_add_~i~0 % 256); 65561#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 66253#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 66254#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 65584#L76 assume !(0 == mp_add_~i~0 % 256); 65585#L76-2 assume !(1 == mp_add_~i~0 % 256); 65565#L77-1 assume !(2 == mp_add_~i~0 % 256); 65566#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 66265#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 65567#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 65568#L87-1 assume !(0 == mp_add_~i~0 % 256); 66274#L91-1 assume !(1 == mp_add_~i~0 % 256); 66273#L92-1 assume !(2 == mp_add_~i~0 % 256); 66272#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 66259#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 66271#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 66245#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 66243#L76 assume !(0 == mp_add_~i~0 % 256); 66241#L76-2 assume !(1 == mp_add_~i~0 % 256); 66239#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 66238#L78-1 [2021-10-28 09:21:40,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:40,439 INFO L85 PathProgramCache]: Analyzing trace with hash -480796897, now seen corresponding path program 1 times [2021-10-28 09:21:40,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:40,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360557916] [2021-10-28 09:21:40,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:40,440 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:40,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:40,545 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:40,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:40,546 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [360557916] [2021-10-28 09:21:40,546 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [360557916] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:40,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955783476] [2021-10-28 09:21:40,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:40,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:40,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:40,550 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:40,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Waiting until timeout for monitored process [2021-10-28 09:21:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:40,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:21:40,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:41,366 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 09:21:41,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955783476] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:41,367 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:41,367 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 9 [2021-10-28 09:21:41,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269896140] [2021-10-28 09:21:41,367 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:21:41,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:41,368 INFO L85 PathProgramCache]: Analyzing trace with hash 1681982875, now seen corresponding path program 1 times [2021-10-28 09:21:41,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:41,368 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643751708] [2021-10-28 09:21:41,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:41,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:41,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:41,514 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:41,514 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:41,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643751708] [2021-10-28 09:21:41,515 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643751708] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:41,515 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057367802] [2021-10-28 09:21:41,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:41,516 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:41,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:41,518 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:41,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Waiting until timeout for monitored process [2021-10-28 09:21:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:41,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:21:41,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:42,062 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 09:21:42,062 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1057367802] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:42,062 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:21:42,062 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-10-28 09:21:42,062 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594679022] [2021-10-28 09:21:42,063 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:42,063 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:42,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:21:42,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:21:42,063 INFO L87 Difference]: Start difference. First operand 732 states and 851 transitions. cyclomatic complexity: 127 Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:42,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:42,174 INFO L93 Difference]: Finished difference Result 794 states and 890 transitions. [2021-10-28 09:21:42,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:21:42,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 794 states and 890 transitions. [2021-10-28 09:21:42,177 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 511 [2021-10-28 09:21:42,179 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 794 states to 790 states and 886 transitions. [2021-10-28 09:21:42,180 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 790 [2021-10-28 09:21:42,181 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 790 [2021-10-28 09:21:42,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 790 states and 886 transitions. [2021-10-28 09:21:42,182 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:42,182 INFO L681 BuchiCegarLoop]: Abstraction has 790 states and 886 transitions. [2021-10-28 09:21:42,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states and 886 transitions. [2021-10-28 09:21:42,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 700. [2021-10-28 09:21:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 700 states, 700 states have (on average 1.1328571428571428) internal successors, (793), 699 states have internal predecessors, (793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 700 states to 700 states and 793 transitions. [2021-10-28 09:21:42,195 INFO L704 BuchiCegarLoop]: Abstraction has 700 states and 793 transitions. [2021-10-28 09:21:42,195 INFO L587 BuchiCegarLoop]: Abstraction has 700 states and 793 transitions. [2021-10-28 09:21:42,196 INFO L425 BuchiCegarLoop]: ======== Iteration 26============ [2021-10-28 09:21:42,196 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 700 states and 793 transitions. [2021-10-28 09:21:42,198 INFO L131 ngComponentsAnalysis]: Automaton has 8 accepting balls. 457 [2021-10-28 09:21:42,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:42,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:42,199 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:42,199 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2021-10-28 09:21:42,199 INFO L791 eck$LassoCheckResult]: Stem: 67301#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 67290#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 67282#L51 assume !(0 == mp_add_~a3~0 % 256); 67283#L51-1 mp_add_~nb~0 := 4; 67549#L61 assume !(0 == mp_add_~b3~0 % 256); 67548#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 67547#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67546#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67545#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 67544#L76-2 assume !(1 == mp_add_~i~0 % 256); 67543#L77-1 assume !(2 == mp_add_~i~0 % 256); 67542#L78-1 assume !(3 == mp_add_~i~0 % 256); 67541#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 67540#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 67539#L82-2 assume !(1 == mp_add_~i~0 % 256); 67538#L83-1 assume !(2 == mp_add_~i~0 % 256); 67537#L84-1 assume !(3 == mp_add_~i~0 % 256); 67346#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 67344#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 67345#L91-1 assume !(1 == mp_add_~i~0 % 256); 67340#L92-1 assume !(2 == mp_add_~i~0 % 256); 67341#L93-1 assume !(3 == mp_add_~i~0 % 256); 67336#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67337#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67332#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67333#L76 assume !(0 == mp_add_~i~0 % 256); 67328#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 67329#L77-1 assume !(2 == mp_add_~i~0 % 256); 67760#L78-1 assume !(3 == mp_add_~i~0 % 256); 67758#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 67759#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 67944#L87-1 assume !(0 == mp_add_~i~0 % 256); 67943#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 67942#L92-1 assume !(2 == mp_add_~i~0 % 256); 67941#L93-1 assume !(3 == mp_add_~i~0 % 256); 67939#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67937#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67935#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67933#L76 assume !(0 == mp_add_~i~0 % 256); 67931#L76-2 assume !(1 == mp_add_~i~0 % 256); 67927#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 67928#L78-1 [2021-10-28 09:21:42,200 INFO L793 eck$LassoCheckResult]: Loop: 67928#L78-1 assume !(3 == mp_add_~i~0 % 256); 67977#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 67728#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 67976#L87-1 assume !(0 == mp_add_~i~0 % 256); 67975#L91-1 assume !(1 == mp_add_~i~0 % 256); 67974#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 67772#L93-1 assume !(3 == mp_add_~i~0 % 256); 67963#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67964#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67326#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67327#L76 assume !(0 == mp_add_~i~0 % 256); 67302#L76-2 assume !(1 == mp_add_~i~0 % 256); 67303#L77-1 assume !(2 == mp_add_~i~0 % 256); 67973#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 67967#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 67971#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 67970#L87-1 assume !(0 == mp_add_~i~0 % 256); 67969#L91-1 assume !(1 == mp_add_~i~0 % 256); 67968#L92-1 assume !(2 == mp_add_~i~0 % 256); 67966#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 67296#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67297#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67962#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67960#L76 assume !(0 == mp_add_~i~0 % 256); 67959#L76-2 assume !(1 == mp_add_~i~0 % 256); 67958#L77-1 assume !(2 == mp_add_~i~0 % 256); 67956#L78-1 assume !(3 == mp_add_~i~0 % 256); 67957#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 67952#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 67953#L87-1 assume !(0 == mp_add_~i~0 % 256); 67948#L91-1 assume !(1 == mp_add_~i~0 % 256); 67949#L92-1 assume !(2 == mp_add_~i~0 % 256); 67945#L93-1 assume !(3 == mp_add_~i~0 % 256); 67940#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 67938#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 67936#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 67934#L76 assume !(0 == mp_add_~i~0 % 256); 67932#L76-2 assume !(1 == mp_add_~i~0 % 256); 67929#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 67928#L78-1 [2021-10-28 09:21:42,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:42,200 INFO L85 PathProgramCache]: Analyzing trace with hash -480796897, now seen corresponding path program 2 times [2021-10-28 09:21:42,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:42,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683244491] [2021-10-28 09:21:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:42,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:42,321 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:42,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683244491] [2021-10-28 09:21:42,321 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683244491] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:42,321 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606209694] [2021-10-28 09:21:42,322 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:21:42,322 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:42,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:42,326 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:42,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2021-10-28 09:21:42,802 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 09:21:42,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:21:42,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:21:42,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:43,224 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 09:21:43,225 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606209694] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:43,225 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:43,225 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5] total 9 [2021-10-28 09:21:43,225 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955822866] [2021-10-28 09:21:43,226 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:21:43,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:43,226 INFO L85 PathProgramCache]: Analyzing trace with hash 511778416, now seen corresponding path program 2 times [2021-10-28 09:21:43,226 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:43,226 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1488115207] [2021-10-28 09:21:43,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:43,227 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:43,309 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:43,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:43,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1488115207] [2021-10-28 09:21:43,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1488115207] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:43,310 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848816811] [2021-10-28 09:21:43,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:21:43,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:43,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:43,315 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:43,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-10-28 09:21:43,790 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-28 09:21:43,790 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:21:43,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:21:43,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:44,129 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2021-10-28 09:21:44,130 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848816811] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:21:44,130 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 09:21:44,130 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2021-10-28 09:21:44,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982244872] [2021-10-28 09:21:44,131 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-28 09:21:44,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:44,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:21:44,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-28 09:21:44,132 INFO L87 Difference]: Start difference. First operand 700 states and 793 transitions. cyclomatic complexity: 101 Second operand has 7 states, 6 states have (on average 4.5) internal successors, (27), 7 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:44,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:44,466 INFO L93 Difference]: Finished difference Result 658 states and 701 transitions. [2021-10-28 09:21:44,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:21:44,467 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 658 states and 701 transitions. [2021-10-28 09:21:44,468 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 137 [2021-10-28 09:21:44,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 658 states to 650 states and 693 transitions. [2021-10-28 09:21:44,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 650 [2021-10-28 09:21:44,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 650 [2021-10-28 09:21:44,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 650 states and 693 transitions. [2021-10-28 09:21:44,470 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:44,470 INFO L681 BuchiCegarLoop]: Abstraction has 650 states and 693 transitions. [2021-10-28 09:21:44,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states and 693 transitions. [2021-10-28 09:21:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 411. [2021-10-28 09:21:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 411 states have (on average 1.0827250608272505) internal successors, (445), 410 states have internal predecessors, (445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:44,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 445 transitions. [2021-10-28 09:21:44,478 INFO L704 BuchiCegarLoop]: Abstraction has 411 states and 445 transitions. [2021-10-28 09:21:44,478 INFO L587 BuchiCegarLoop]: Abstraction has 411 states and 445 transitions. [2021-10-28 09:21:44,478 INFO L425 BuchiCegarLoop]: ======== Iteration 27============ [2021-10-28 09:21:44,479 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 411 states and 445 transitions. [2021-10-28 09:21:44,480 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-10-28 09:21:44,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:44,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:44,481 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:44,481 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:44,481 INFO L791 eck$LassoCheckResult]: Stem: 68915#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 68908#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 68901#L51 assume !(0 == mp_add_~a3~0 % 256); 68902#L51-1 mp_add_~nb~0 := 4; 68982#L61 assume !(0 == mp_add_~b3~0 % 256); 68981#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 68980#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 68979#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 68978#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 68977#L76-2 assume !(1 == mp_add_~i~0 % 256); 68976#L77-1 assume !(2 == mp_add_~i~0 % 256); 68975#L78-1 assume !(3 == mp_add_~i~0 % 256); 68974#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 68973#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 68972#L82-2 assume !(1 == mp_add_~i~0 % 256); 68971#L83-1 assume !(2 == mp_add_~i~0 % 256); 68970#L84-1 assume !(3 == mp_add_~i~0 % 256); 68969#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 68968#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 68967#L91-1 assume !(1 == mp_add_~i~0 % 256); 68966#L92-1 assume !(2 == mp_add_~i~0 % 256); 68965#L93-1 assume !(3 == mp_add_~i~0 % 256); 68964#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 68963#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 68962#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 68961#L76 assume !(0 == mp_add_~i~0 % 256); 68960#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 68959#L77-1 assume !(2 == mp_add_~i~0 % 256); 68958#L78-1 assume !(3 == mp_add_~i~0 % 256); 68956#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 68952#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 68953#L87-1 assume !(0 == mp_add_~i~0 % 256); 68948#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 68949#L92-1 assume !(2 == mp_add_~i~0 % 256); 68944#L93-1 assume !(3 == mp_add_~i~0 % 256); 68945#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 68940#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 68941#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 68936#L76 assume !(0 == mp_add_~i~0 % 256); 68937#L76-2 assume !(1 == mp_add_~i~0 % 256); 68932#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 68933#L78-1 assume !(3 == mp_add_~i~0 % 256); 69239#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 69187#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 69238#L87-1 assume !(0 == mp_add_~i~0 % 256); 69237#L91-1 assume !(1 == mp_add_~i~0 % 256); 69236#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 69235#L93-1 assume !(3 == mp_add_~i~0 % 256); 69234#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 69233#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 69232#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 69231#L76 assume !(0 == mp_add_~i~0 % 256); 69230#L76-2 assume !(1 == mp_add_~i~0 % 256); 69229#L77-1 assume !(2 == mp_add_~i~0 % 256); 69226#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 69227#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 69254#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 69307#L87-1 assume !(0 == mp_add_~i~0 % 256); 69259#L91-1 assume !(1 == mp_add_~i~0 % 256); 69260#L92-1 assume !(2 == mp_add_~i~0 % 256); 69256#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 68912#L94-1 [2021-10-28 09:21:44,482 INFO L793 eck$LassoCheckResult]: Loop: 68912#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 68906#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 68907#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 68930#L76 assume !(0 == mp_add_~i~0 % 256); 68916#L76-2 assume !(1 == mp_add_~i~0 % 256); 68917#L77-1 assume !(2 == mp_add_~i~0 % 256); 68918#L78-1 assume !(3 == mp_add_~i~0 % 256); 68922#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 69263#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 69262#L87-1 assume !(0 == mp_add_~i~0 % 256); 69255#L91-1 assume !(1 == mp_add_~i~0 % 256); 68897#L92-1 assume !(2 == mp_add_~i~0 % 256); 68898#L93-1 assume !(3 == mp_add_~i~0 % 256); 68912#L94-1 [2021-10-28 09:21:44,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:44,482 INFO L85 PathProgramCache]: Analyzing trace with hash -1762667543, now seen corresponding path program 1 times [2021-10-28 09:21:44,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:44,483 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052657252] [2021-10-28 09:21:44,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:44,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:44,619 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 7 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-10-28 09:21:44,619 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:44,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052657252] [2021-10-28 09:21:44,620 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052657252] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:44,620 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436743577] [2021-10-28 09:21:44,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:44,621 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:44,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:44,623 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:44,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Waiting until timeout for monitored process [2021-10-28 09:21:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:45,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:21:45,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:45,457 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 45 proven. 4 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-10-28 09:21:45,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436743577] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:45,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:45,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 8 [2021-10-28 09:21:45,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875114352] [2021-10-28 09:21:45,459 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:21:45,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:45,459 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 1 times [2021-10-28 09:21:45,460 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:45,460 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062976955] [2021-10-28 09:21:45,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:45,460 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:45,470 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:45,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:45,599 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:45,599 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:45,600 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:45,600 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:45,600 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:21:45,600 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:45,600 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:45,600 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:45,600 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration27_Loop [2021-10-28 09:21:45,600 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:45,600 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:45,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:45,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:45,880 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:45,880 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:21:45,880 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:45,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:45,887 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:45,888 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:45,889 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:45,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 09:21:45,923 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:21:45,923 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:21:45,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:45,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:45,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:45,964 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:45,966 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:45,966 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:45,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 09:21:46,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-28 09:21:46,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:46,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:46,056 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:46,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 09:21:46,057 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:21:46,057 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:46,970 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:21:46,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-28 09:21:46,974 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:46,974 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:46,974 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:46,974 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:46,974 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:21:46,974 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:46,974 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:46,974 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:46,974 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration27_Loop [2021-10-28 09:21:46,974 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:46,975 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:46,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:46,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:47,238 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:47,239 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:21:47,239 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,240 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 09:21:47,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,250 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:47,250 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,250 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,250 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,250 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:47,252 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:47,252 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:47,278 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,279 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 09:21:47,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:47,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:47,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:47,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-28 09:21:47,323 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:21:47,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,324 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 09:21:47,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:47,337 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,338 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:47,339 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:47,339 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:47,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,367 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 09:21:47,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:47,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,378 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:47,385 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:47,385 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:47,441 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 09:21:47,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,443 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:47,462 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,463 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:47,466 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:47,466 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 09:21:47,482 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:47,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,524 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:47,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,539 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:47,545 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:47,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 09:21:47,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:47,606 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 09:21:47,606 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,608 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,610 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:47,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,622 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:47,626 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:47,626 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 09:21:47,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:47,687 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,691 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,693 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:47,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,705 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:47,712 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:47,712 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 09:21:47,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:47,769 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 09:21:47,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,771 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,784 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:47,784 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:47,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,785 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:47,787 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:47,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 09:21:47,801 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:47,843 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,847 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,860 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:47,860 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:47,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,861 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:47,866 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:47,866 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 09:21:47,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:47,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:47,925 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 09:21:47,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:47,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:47,926 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:47,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:47,940 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:47,940 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:47,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:47,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:47,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:47,940 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:47,944 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:47,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:47,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 09:21:47,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:48,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:48,006 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:48,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:48,011 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:48,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:48,025 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:48,025 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:48,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:48,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:48,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:48,026 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:48,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 09:21:48,031 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:48,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:48,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:48,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-28 09:21:48,067 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 09:21:48,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:48,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:48,069 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:48,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 09:21:48,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:48,079 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:48,079 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:48,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:48,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:48,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:48,080 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:48,084 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:48,084 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:48,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:48,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:48,117 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:48,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:48,118 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:48,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 09:21:48,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:48,128 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:48,129 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:48,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:48,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:48,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:48,129 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:48,136 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:48,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:48,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:48,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 09:21:48,180 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 09:21:48,180 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:48,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:48,181 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:48,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 09:21:48,182 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:48,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:48,191 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:48,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:48,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:48,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:48,192 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:48,194 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:48,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:48,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:48,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-28 09:21:48,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:48,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:48,223 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:48,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 09:21:48,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:48,233 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:48,234 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:48,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:48,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:48,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:48,234 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:48,240 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:48,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:48,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:48,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-10-28 09:21:48,275 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 09:21:48,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:48,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:48,276 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:48,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 09:21:48,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:48,287 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:48,287 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:48,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:48,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:48,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:48,287 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:48,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:48,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:48,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:48,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-10-28 09:21:48,323 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:48,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:48,324 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:48,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 09:21:48,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:48,335 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:48,335 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:48,335 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:48,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:48,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:48,335 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:48,345 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:48,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:48,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:48,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:48,382 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:48,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 09:21:48,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:21:48,383 INFO L87 Difference]: Start difference. First operand 411 states and 445 transitions. cyclomatic complexity: 37 Second operand has 8 states, 8 states have (on average 8.875) internal successors, (71), 8 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:48,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:48,510 INFO L93 Difference]: Finished difference Result 398 states and 430 transitions. [2021-10-28 09:21:48,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:21:48,511 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 398 states and 430 transitions. [2021-10-28 09:21:48,512 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-10-28 09:21:48,513 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 398 states to 398 states and 430 transitions. [2021-10-28 09:21:48,513 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 398 [2021-10-28 09:21:48,514 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 398 [2021-10-28 09:21:48,514 INFO L73 IsDeterministic]: Start isDeterministic. Operand 398 states and 430 transitions. [2021-10-28 09:21:48,514 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:48,514 INFO L681 BuchiCegarLoop]: Abstraction has 398 states and 430 transitions. [2021-10-28 09:21:48,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states and 430 transitions. [2021-10-28 09:21:48,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 398. [2021-10-28 09:21:48,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 398 states, 398 states have (on average 1.0804020100502512) internal successors, (430), 397 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:48,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 430 transitions. [2021-10-28 09:21:48,522 INFO L704 BuchiCegarLoop]: Abstraction has 398 states and 430 transitions. [2021-10-28 09:21:48,522 INFO L587 BuchiCegarLoop]: Abstraction has 398 states and 430 transitions. [2021-10-28 09:21:48,522 INFO L425 BuchiCegarLoop]: ======== Iteration 28============ [2021-10-28 09:21:48,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 398 states and 430 transitions. [2021-10-28 09:21:48,524 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-10-28 09:21:48,524 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:48,524 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:48,525 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:48,526 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:48,526 INFO L791 eck$LassoCheckResult]: Stem: 69918#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 69909#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 69902#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 69904#L53 assume !(0 == mp_add_~a2~0 % 256); 69938#L51-1 mp_add_~nb~0 := 4; 70050#L61 assume !(0 == mp_add_~b3~0 % 256); 70049#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 70048#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 70047#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 70046#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 70045#L76-2 assume !(1 == mp_add_~i~0 % 256); 70044#L77-1 assume !(2 == mp_add_~i~0 % 256); 70043#L78-1 assume !(3 == mp_add_~i~0 % 256); 70042#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 70041#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 70040#L82-2 assume !(1 == mp_add_~i~0 % 256); 70039#L83-1 assume !(2 == mp_add_~i~0 % 256); 70038#L84-1 assume !(3 == mp_add_~i~0 % 256); 70036#L81 assume mp_add_~partial_sum~0 % 65536 > 255;mp_add_~partial_sum~0 := ~bitwiseAnd(mp_add_~partial_sum~0 % 65536, 255);mp_add_~carry~0 := 1; 70037#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 70070#L91-1 assume !(1 == mp_add_~i~0 % 256); 70069#L92-1 assume !(2 == mp_add_~i~0 % 256); 70022#L93-1 assume !(3 == mp_add_~i~0 % 256); 70023#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 70014#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 70015#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 70059#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 70060#L82 assume !(0 == mp_add_~i~0 % 256); 70055#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 70056#L83-1 assume !(2 == mp_add_~i~0 % 256); 70051#L84-1 assume !(3 == mp_add_~i~0 % 256); 70052#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 70031#L87-1 assume !(0 == mp_add_~i~0 % 256); 70032#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 70024#L92-1 assume !(2 == mp_add_~i~0 % 256); 70025#L93-1 assume !(3 == mp_add_~i~0 % 256); 70016#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 70017#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 69947#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 69948#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 69942#L82 assume !(0 == mp_add_~i~0 % 256); 69943#L82-2 assume !(1 == mp_add_~i~0 % 256); 69939#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 69927#L84-1 assume !(3 == mp_add_~i~0 % 256); 69922#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 69910#L87-1 assume !(0 == mp_add_~i~0 % 256); 69899#L91-1 assume !(1 == mp_add_~i~0 % 256); 69900#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 69901#L93-1 assume !(3 == mp_add_~i~0 % 256); 69917#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 69907#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 69908#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 70112#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 70113#L82 assume !(0 == mp_add_~i~0 % 256); 69930#L82-2 assume !(1 == mp_add_~i~0 % 256); 69931#L83-1 assume !(2 == mp_add_~i~0 % 256); 70291#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 70290#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 70289#L87-1 assume !(0 == mp_add_~i~0 % 256); 70288#L91-1 assume !(1 == mp_add_~i~0 % 256); 70287#L92-1 assume !(2 == mp_add_~i~0 % 256); 70286#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 69913#L94-1 [2021-10-28 09:21:48,526 INFO L793 eck$LassoCheckResult]: Loop: 69913#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 69914#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 69932#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 69933#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 69923#L82 assume !(0 == mp_add_~i~0 % 256); 69924#L82-2 assume !(1 == mp_add_~i~0 % 256); 69935#L83-1 assume !(2 == mp_add_~i~0 % 256); 69936#L84-1 assume !(3 == mp_add_~i~0 % 256); 70296#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 70295#L87-1 assume !(0 == mp_add_~i~0 % 256); 70294#L91-1 assume !(1 == mp_add_~i~0 % 256); 70293#L92-1 assume !(2 == mp_add_~i~0 % 256); 70292#L93-1 assume !(3 == mp_add_~i~0 % 256); 69913#L94-1 [2021-10-28 09:21:48,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:48,527 INFO L85 PathProgramCache]: Analyzing trace with hash 866077905, now seen corresponding path program 1 times [2021-10-28 09:21:48,527 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:48,527 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337716471] [2021-10-28 09:21:48,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:48,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-10-28 09:21:48,655 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:48,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337716471] [2021-10-28 09:21:48,655 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337716471] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:48,655 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431240998] [2021-10-28 09:21:48,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:48,656 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:48,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:48,657 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:48,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Waiting until timeout for monitored process [2021-10-28 09:21:49,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:49,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 09:21:49,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:49,912 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 43 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-10-28 09:21:49,913 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431240998] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:49,913 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:49,913 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 9 [2021-10-28 09:21:49,913 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926991620] [2021-10-28 09:21:49,914 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 09:21:49,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:49,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 1 times [2021-10-28 09:21:49,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:49,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191570138] [2021-10-28 09:21:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:49,915 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:49,926 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:49,930 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:50,070 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:50,071 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:50,071 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:50,071 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:50,071 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:21:50,071 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:50,071 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:50,072 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:50,072 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration28_Loop [2021-10-28 09:21:50,072 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:50,072 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:50,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:50,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:50,363 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:50,363 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:21:50,363 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:50,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:50,368 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:50,371 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:50,371 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:50,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-28 09:21:50,403 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:21:50,403 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:21:50,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:50,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:50,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:50,445 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:50,447 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:50,447 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:50,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 09:21:50,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:50,554 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:50,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:50,555 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:50,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:21:50,557 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:50,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 09:21:52,214 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:21:52,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:52,218 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:52,218 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:52,218 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:52,218 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:52,218 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:21:52,218 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,218 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:52,218 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:52,218 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration28_Loop [2021-10-28 09:21:52,218 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:52,219 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:52,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:52,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:52,452 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:52,452 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:21:52,452 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,457 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 09:21:52,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:52,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:52,470 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:52,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:52,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,497 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 09:21:52,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:52,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:52,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:52,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-10-28 09:21:52,534 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:21:52,534 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,535 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 09:21:52,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:52,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,545 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:52,548 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:52,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:52,578 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,579 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-28 09:21:52,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:52,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,589 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:52,591 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:52,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,594 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-10-28 09:21:52,618 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 09:21:52,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,619 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-28 09:21:52,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:52,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,630 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:52,633 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:52,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-10-28 09:21:52,666 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,667 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-28 09:21:52,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:52,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,678 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:52,680 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:52,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:52,740 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 09:21:52,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,741 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-28 09:21:52,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:52,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,753 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:52,759 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:52,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:52,791 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,792 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-28 09:21:52,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:52,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,803 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:52,805 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:52,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,810 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-10-28 09:21:52,834 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 09:21:52,834 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,837 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-28 09:21:52,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,847 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:52,847 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:52,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,848 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:52,852 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:52,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,866 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:52,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,890 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-28 09:21:52,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,900 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:52,901 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:52,901 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,901 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,901 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,901 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:52,903 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:52,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,907 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-10-28 09:21:52,930 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 09:21:52,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,931 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-28 09:21:52,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:52,944 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:52,945 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:52,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:52,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:52,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:52,945 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:52,951 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:52,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:52,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:52,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-10-28 09:21:52,991 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:52,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:52,992 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:52,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-28 09:21:52,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:53,002 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:53,003 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:53,003 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:53,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:53,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:53,003 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:53,006 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:53,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:53,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:53,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-10-28 09:21:53,036 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 09:21:53,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:53,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:53,037 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:53,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-28 09:21:53,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:53,048 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:53,048 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:53,048 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:53,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:53,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:53,048 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:53,055 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:53,055 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:53,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:53,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-10-28 09:21:53,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:53,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:53,095 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:53,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-28 09:21:53,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:53,105 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:53,105 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:53,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:53,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:53,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:53,106 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:53,110 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:53,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:53,134 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:53,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-10-28 09:21:53,160 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 09:21:53,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:53,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:53,161 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:53,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-28 09:21:53,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:53,171 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:53,171 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:53,172 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:53,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:53,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:53,172 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:53,176 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:53,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:53,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:53,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-10-28 09:21:53,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:53,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:53,207 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:53,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-28 09:21:53,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:53,218 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:53,218 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:53,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:53,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:53,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:53,218 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:53,220 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:53,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:53,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:53,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-10-28 09:21:53,248 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 09:21:53,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:53,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:53,249 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:53,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-28 09:21:53,250 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:53,260 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:53,260 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:53,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:53,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:53,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:53,260 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:53,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:53,267 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:53,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:53,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-10-28 09:21:53,303 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:53,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:53,304 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:53,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-28 09:21:53,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:53,317 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:53,317 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:53,317 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:53,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:53,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:53,318 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:53,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:53,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:53,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:53,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:53,352 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:53,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 09:21:53,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:21:53,352 INFO L87 Difference]: Start difference. First operand 398 states and 430 transitions. cyclomatic complexity: 35 Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:53,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:53,791 INFO L93 Difference]: Finished difference Result 513 states and 550 transitions. [2021-10-28 09:21:53,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 09:21:53,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 513 states and 550 transitions. [2021-10-28 09:21:53,792 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 100 [2021-10-28 09:21:53,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 513 states to 509 states and 546 transitions. [2021-10-28 09:21:53,794 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 509 [2021-10-28 09:21:53,794 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 509 [2021-10-28 09:21:53,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 509 states and 546 transitions. [2021-10-28 09:21:53,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:53,795 INFO L681 BuchiCegarLoop]: Abstraction has 509 states and 546 transitions. [2021-10-28 09:21:53,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states and 546 transitions. [2021-10-28 09:21:53,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 391. [2021-10-28 09:21:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 391 states have (on average 1.0767263427109974) internal successors, (421), 390 states have internal predecessors, (421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 421 transitions. [2021-10-28 09:21:53,802 INFO L704 BuchiCegarLoop]: Abstraction has 391 states and 421 transitions. [2021-10-28 09:21:53,802 INFO L587 BuchiCegarLoop]: Abstraction has 391 states and 421 transitions. [2021-10-28 09:21:53,802 INFO L425 BuchiCegarLoop]: ======== Iteration 29============ [2021-10-28 09:21:53,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 391 states and 421 transitions. [2021-10-28 09:21:53,803 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 44 [2021-10-28 09:21:53,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:53,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:53,804 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:53,804 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:53,804 INFO L791 eck$LassoCheckResult]: Stem: 71032#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 71023#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 71016#L51 assume 0 == mp_add_~a3~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 71018#L53 assume 0 == mp_add_~a2~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 71043#L55 assume 0 == mp_add_~a1~0 % 256;mp_add_~na~0 := mp_add_~na~0 % 256 - 1; 71025#L51-1 mp_add_~nb~0 := 4; 71026#L61 assume !(0 == mp_add_~b3~0 % 256); 71029#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 71030#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71161#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 71159#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 71160#L76-2 assume !(1 == mp_add_~i~0 % 256); 71239#L77-1 assume !(2 == mp_add_~i~0 % 256); 71238#L78-1 assume !(3 == mp_add_~i~0 % 256); 71237#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71236#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 71235#L82-2 assume !(1 == mp_add_~i~0 % 256); 71234#L83-1 assume !(2 == mp_add_~i~0 % 256); 71233#L84-1 assume !(3 == mp_add_~i~0 % 256); 71232#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71231#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 71229#L91-1 assume !(1 == mp_add_~i~0 % 256); 71228#L92-1 assume !(2 == mp_add_~i~0 % 256); 71227#L93-1 assume !(3 == mp_add_~i~0 % 256); 71226#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71225#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71223#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 71224#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71218#L82 assume !(0 == mp_add_~i~0 % 256); 71219#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 71214#L83-1 assume !(2 == mp_add_~i~0 % 256); 71215#L84-1 assume !(3 == mp_add_~i~0 % 256); 71210#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71211#L87-1 assume !(0 == mp_add_~i~0 % 256); 71206#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 71207#L92-1 assume !(2 == mp_add_~i~0 % 256); 71202#L93-1 assume !(3 == mp_add_~i~0 % 256); 71203#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71198#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71199#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 71285#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71284#L82 assume !(0 == mp_add_~i~0 % 256); 71283#L82-2 assume !(1 == mp_add_~i~0 % 256); 71282#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 71281#L84-1 assume !(3 == mp_add_~i~0 % 256); 71280#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71279#L87-1 assume !(0 == mp_add_~i~0 % 256); 71278#L91-1 assume !(1 == mp_add_~i~0 % 256); 71277#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 71276#L93-1 assume !(3 == mp_add_~i~0 % 256); 71275#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71274#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71273#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 71272#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71271#L82 assume !(0 == mp_add_~i~0 % 256); 71270#L82-2 assume !(1 == mp_add_~i~0 % 256); 71269#L83-1 assume !(2 == mp_add_~i~0 % 256); 71268#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 71267#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71266#L87-1 assume !(0 == mp_add_~i~0 % 256); 71265#L91-1 assume !(1 == mp_add_~i~0 % 256); 71264#L92-1 assume !(2 == mp_add_~i~0 % 256); 71263#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 71167#L94-1 [2021-10-28 09:21:53,805 INFO L793 eck$LassoCheckResult]: Loop: 71167#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71262#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71261#L75 assume !(mp_add_~i~0 % 256 < mp_add_~na~0 % 256); 71260#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71259#L82 assume !(0 == mp_add_~i~0 % 256); 71258#L82-2 assume !(1 == mp_add_~i~0 % 256); 71257#L83-1 assume !(2 == mp_add_~i~0 % 256); 71256#L84-1 assume !(3 == mp_add_~i~0 % 256); 71255#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71254#L87-1 assume !(0 == mp_add_~i~0 % 256); 71253#L91-1 assume !(1 == mp_add_~i~0 % 256); 71252#L92-1 assume !(2 == mp_add_~i~0 % 256); 71166#L93-1 assume !(3 == mp_add_~i~0 % 256); 71167#L94-1 [2021-10-28 09:21:53,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:53,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1520812614, now seen corresponding path program 1 times [2021-10-28 09:21:53,805 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:53,805 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577971277] [2021-10-28 09:21:53,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:53,806 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:53,837 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:53,880 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:53,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1233229496, now seen corresponding path program 2 times [2021-10-28 09:21:53,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:53,881 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269521695] [2021-10-28 09:21:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:53,881 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:53,889 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:53,893 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:53,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:53,893 INFO L85 PathProgramCache]: Analyzing trace with hash -2088026333, now seen corresponding path program 2 times [2021-10-28 09:21:53,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:53,894 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334181765] [2021-10-28 09:21:53,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:53,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 36 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:54,047 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:54,047 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334181765] [2021-10-28 09:21:54,047 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334181765] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:54,048 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627764499] [2021-10-28 09:21:54,048 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 09:21:54,048 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:54,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:54,049 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:54,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (136)] Waiting until timeout for monitored process [2021-10-28 09:21:54,532 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2021-10-28 09:21:54,532 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 09:21:54,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:21:54,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:21:55,171 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-10-28 09:21:55,172 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1627764499] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:55,172 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:21:55,172 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7] total 13 [2021-10-28 09:21:55,172 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609366774] [2021-10-28 09:21:55,293 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:55,294 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:55,294 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:55,294 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:55,294 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:21:55,294 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:55,294 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:55,294 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:55,294 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration29_Loop [2021-10-28 09:21:55,294 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:55,294 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:55,295 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:55,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:55,532 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:55,532 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:21:55,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:55,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:55,534 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:55,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-28 09:21:55,535 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:55,535 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:55,552 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:21:55,553 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Honda state: {ULTIMATE.start_mp_add_~partial_sum~0=0, ULTIMATE.start_mp_add_~carry~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-28 09:21:55,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:55,574 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:55,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:55,575 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:55,576 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:21:55,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:55,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-28 09:21:55,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:55,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:55,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:55,635 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:55,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-28 09:21:55,636 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:21:55,636 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:21:56,475 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:21:56,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-10-28 09:21:56,479 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:21:56,479 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:21:56,479 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:21:56,479 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:21:56,479 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:21:56,479 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:56,479 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:21:56,479 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:21:56,479 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration29_Loop [2021-10-28 09:21:56,480 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:21:56,480 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:21:56,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:56,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:21:56,697 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:21:56,697 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:21:56,698 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:56,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:56,699 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:56,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-28 09:21:56,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:56,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:56,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:56,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:56,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:56,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:56,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:56,715 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:56,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:56,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:56,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:56,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:56,752 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:56,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-28 09:21:56,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:56,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:56,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:56,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:56,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:56,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:21:56,765 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:21:56,765 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:56,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:56,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:56,792 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:21:56,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:56,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:56,793 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:56,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-28 09:21:56,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:56,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:56,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:56,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:56,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:56,803 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:56,805 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:56,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:56,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:56,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-10-28 09:21:56,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:56,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:56,832 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:56,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-28 09:21:56,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:56,842 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:56,842 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:56,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:56,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:56,843 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:56,846 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:56,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:56,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:56,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:56,875 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 09:21:56,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:56,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:56,876 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:56,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-28 09:21:56,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:56,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:56,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:56,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:56,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:56,886 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:56,888 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:56,888 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:56,892 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:56,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-10-28 09:21:56,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:56,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:56,918 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:56,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-28 09:21:56,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:56,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:56,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:56,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:56,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:56,929 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:56,933 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:56,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:56,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:56,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-10-28 09:21:56,962 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 09:21:56,962 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:56,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:56,963 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:56,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-28 09:21:56,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:56,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:56,973 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:56,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:56,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:56,974 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:56,976 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:56,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:56,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:57,016 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,017 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-28 09:21:57,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:21:57,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,028 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:57,033 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:57,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:57,064 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 09:21:57,064 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,065 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-28 09:21:57,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,075 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,075 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:57,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,075 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:57,077 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:57,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Ended with exit code 0 [2021-10-28 09:21:57,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,106 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-28 09:21:57,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,116 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,116 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:57,116 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,116 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,116 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,116 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:21:57,127 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:21:57,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-10-28 09:21:57,159 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 09:21:57,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,162 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-28 09:21:57,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,173 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,173 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:57,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,173 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:57,176 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:57,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:57,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,208 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-28 09:21:57,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,218 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,218 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:21:57,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,219 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:57,223 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:57,223 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:57,260 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 09:21:57,260 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,261 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-28 09:21:57,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,271 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,272 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:57,272 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,272 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:57,275 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:57,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-10-28 09:21:57,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,309 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-28 09:21:57,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,319 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,319 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:57,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,320 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:21:57,326 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:21:57,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-10-28 09:21:57,367 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 09:21:57,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,368 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-28 09:21:57,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,378 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,378 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:57,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,378 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:57,381 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:57,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:57,408 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,409 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-28 09:21:57,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,419 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,419 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:21:57,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,420 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:21:57,424 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:21:57,424 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:57,455 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 09:21:57,456 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,456 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-10-28 09:21:57,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,467 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,467 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:57,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,467 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:57,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:57,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:57,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:21:57,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:57,502 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:21:57,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-28 09:21:57,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:21:57,513 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:21:57,513 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:21:57,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:21:57,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:21:57,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:21:57,513 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:21:57,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:21:57,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:21:57,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:21:57,615 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Forceful destruction successful, exit code 0 [2021-10-28 09:21:57,615 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:21:57,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-10-28 09:21:57,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2021-10-28 09:21:57,616 INFO L87 Difference]: Start difference. First operand 391 states and 421 transitions. cyclomatic complexity: 33 Second operand has 13 states, 13 states have (on average 8.307692307692308) internal successors, (108), 13 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:58,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:21:58,689 INFO L93 Difference]: Finished difference Result 310 states and 327 transitions. [2021-10-28 09:21:58,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-28 09:21:58,690 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 310 states and 327 transitions. [2021-10-28 09:21:58,692 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 09:21:58,692 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 310 states to 127 states and 132 transitions. [2021-10-28 09:21:58,693 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 127 [2021-10-28 09:21:58,693 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 127 [2021-10-28 09:21:58,693 INFO L73 IsDeterministic]: Start isDeterministic. Operand 127 states and 132 transitions. [2021-10-28 09:21:58,693 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:21:58,693 INFO L681 BuchiCegarLoop]: Abstraction has 127 states and 132 transitions. [2021-10-28 09:21:58,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states and 132 transitions. [2021-10-28 09:21:58,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 93. [2021-10-28 09:21:58,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 93 states have (on average 1.053763440860215) internal successors, (98), 92 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:21:58,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 98 transitions. [2021-10-28 09:21:58,695 INFO L704 BuchiCegarLoop]: Abstraction has 93 states and 98 transitions. [2021-10-28 09:21:58,695 INFO L587 BuchiCegarLoop]: Abstraction has 93 states and 98 transitions. [2021-10-28 09:21:58,695 INFO L425 BuchiCegarLoop]: ======== Iteration 30============ [2021-10-28 09:21:58,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 93 states and 98 transitions. [2021-10-28 09:21:58,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-28 09:21:58,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:21:58,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:21:58,697 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:58,697 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:21:58,697 INFO L791 eck$LassoCheckResult]: Stem: 71975#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(15); 71976#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~ret4, main_~a~0, main_~b~0, main_~r~1;havoc main_~a~0;havoc main_~b~0;havoc main_~r~1;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := 234770789;mp_add_#in~a, mp_add_#in~b := main_~a~0, main_~b~0;havoc mp_add_#res;havoc mp_add_~a, mp_add_~b, mp_add_~a0~0, mp_add_~a1~0, mp_add_~a2~0, mp_add_~a3~0, mp_add_~b0~0, mp_add_~b1~0, mp_add_~b2~0, mp_add_~b3~0, mp_add_~r0~0, mp_add_~r1~0, mp_add_~r2~0, mp_add_~r3~0, mp_add_~carry~0, mp_add_~partial_sum~0, mp_add_~r~0, mp_add_~i~0, mp_add_~na~0, mp_add_~nb~0;mp_add_~a := mp_add_#in~a;mp_add_~b := mp_add_#in~b;havoc mp_add_~a0~0;havoc mp_add_~a1~0;havoc mp_add_~a2~0;havoc mp_add_~a3~0;havoc mp_add_~b0~0;havoc mp_add_~b1~0;havoc mp_add_~b2~0;havoc mp_add_~b3~0;havoc mp_add_~r0~0;havoc mp_add_~r1~0;havoc mp_add_~r2~0;havoc mp_add_~r3~0;havoc mp_add_~carry~0;havoc mp_add_~partial_sum~0;havoc mp_add_~r~0;havoc mp_add_~i~0;havoc mp_add_~na~0;havoc mp_add_~nb~0;mp_add_~a0~0 := mp_add_~a;mp_add_~a1~0 := mp_add_~a / 256;mp_add_~a2~0 := mp_add_~a / 65536;mp_add_~a3~0 := mp_add_~a / 16777216;mp_add_~b0~0 := mp_add_~b;mp_add_~b1~0 := mp_add_~b / 256;mp_add_~b2~0 := mp_add_~b / 65536;mp_add_~b3~0 := mp_add_~b / 16777216;mp_add_~na~0 := 4; 71980#L51 assume !(0 == mp_add_~a3~0 % 256); 71981#L51-1 mp_add_~nb~0 := 4; 71982#L61 assume !(0 == mp_add_~b3~0 % 256); 71983#L61-1 mp_add_~carry~0 := 0;mp_add_~i~0 := 0; 71997#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 72008#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 72007#L76 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a0~0 % 256; 72006#L76-2 assume !(1 == mp_add_~i~0 % 256); 72005#L77-1 assume !(2 == mp_add_~i~0 % 256); 72004#L78-1 assume !(3 == mp_add_~i~0 % 256); 72003#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 72001#L82 assume 0 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b0~0 % 256; 72002#L82-2 assume !(1 == mp_add_~i~0 % 256); 72055#L83-1 assume !(2 == mp_add_~i~0 % 256); 72053#L84-1 assume !(3 == mp_add_~i~0 % 256); 72051#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 72049#L87-1 assume 0 == mp_add_~i~0 % 256;mp_add_~r0~0 := mp_add_~partial_sum~0; 72047#L91-1 assume !(1 == mp_add_~i~0 % 256); 72045#L92-1 assume !(2 == mp_add_~i~0 % 256); 72043#L93-1 assume !(3 == mp_add_~i~0 % 256); 72041#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 72039#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 72037#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 72035#L76 assume !(0 == mp_add_~i~0 % 256); 72033#L76-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a1~0 % 256; 72031#L77-1 assume !(2 == mp_add_~i~0 % 256); 72012#L78-1 assume !(3 == mp_add_~i~0 % 256); 72013#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 71991#L82 assume !(0 == mp_add_~i~0 % 256); 71992#L82-2 assume 1 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b1~0 % 256; 72056#L83-1 assume !(2 == mp_add_~i~0 % 256); 72054#L84-1 assume !(3 == mp_add_~i~0 % 256); 72052#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 72050#L87-1 assume !(0 == mp_add_~i~0 % 256); 72048#L91-1 assume 1 == mp_add_~i~0 % 256;mp_add_~r1~0 := mp_add_~partial_sum~0; 72046#L92-1 assume !(2 == mp_add_~i~0 % 256); 72044#L93-1 assume !(3 == mp_add_~i~0 % 256); 72042#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 72040#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 72038#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 72036#L76 assume !(0 == mp_add_~i~0 % 256); 72034#L76-2 assume !(1 == mp_add_~i~0 % 256); 72032#L77-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a2~0 % 256; 72030#L78-1 assume !(3 == mp_add_~i~0 % 256); 72029#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 72028#L82 assume !(0 == mp_add_~i~0 % 256); 72027#L82-2 assume !(1 == mp_add_~i~0 % 256); 72026#L83-1 assume 2 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b2~0 % 256; 72025#L84-1 assume !(3 == mp_add_~i~0 % 256); 72024#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 72023#L87-1 assume !(0 == mp_add_~i~0 % 256); 72022#L91-1 assume !(1 == mp_add_~i~0 % 256); 72021#L92-1 assume 2 == mp_add_~i~0 % 256;mp_add_~r2~0 := mp_add_~partial_sum~0; 72020#L93-1 assume !(3 == mp_add_~i~0 % 256); 72019#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 72018#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 72017#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 72016#L76 assume !(0 == mp_add_~i~0 % 256); 72015#L76-2 assume !(1 == mp_add_~i~0 % 256); 72014#L77-1 assume !(2 == mp_add_~i~0 % 256); 72011#L78-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~a3~0 % 256; 72009#L75-1 assume mp_add_~i~0 % 256 < mp_add_~nb~0 % 256; 72010#L82 assume !(0 == mp_add_~i~0 % 256); 71999#L82-2 assume !(1 == mp_add_~i~0 % 256); 72000#L83-1 assume !(2 == mp_add_~i~0 % 256); 71994#L84-1 assume 3 == mp_add_~i~0 % 256;mp_add_~partial_sum~0 := mp_add_~partial_sum~0 % 65536 + mp_add_~b3~0 % 256; 71995#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 72064#L87-1 assume !(0 == mp_add_~i~0 % 256); 72067#L91-1 assume !(1 == mp_add_~i~0 % 256); 72066#L92-1 assume !(2 == mp_add_~i~0 % 256); 72065#L93-1 assume 3 == mp_add_~i~0 % 256;mp_add_~r3~0 := mp_add_~partial_sum~0; 71996#L94-1 [2021-10-28 09:21:58,697 INFO L793 eck$LassoCheckResult]: Loop: 71996#L94-1 mp_add_~i~0 := 1 + mp_add_~i~0 % 256; 71989#L72-2 assume !!((mp_add_~i~0 % 256 < mp_add_~na~0 % 256 || mp_add_~i~0 % 256 < mp_add_~nb~0 % 256) || 0 != mp_add_~carry~0 % 65536);mp_add_~partial_sum~0 := mp_add_~carry~0;mp_add_~carry~0 := 0; 71990#L75 assume mp_add_~i~0 % 256 < mp_add_~na~0 % 256; 71998#L76 assume !(0 == mp_add_~i~0 % 256); 71986#L76-2 assume !(1 == mp_add_~i~0 % 256); 71984#L77-1 assume !(2 == mp_add_~i~0 % 256); 71985#L78-1 assume !(3 == mp_add_~i~0 % 256); 71993#L75-1 assume !(mp_add_~i~0 % 256 < mp_add_~nb~0 % 256); 71987#L81 assume !(mp_add_~partial_sum~0 % 65536 > 255); 71988#L87-1 assume !(0 == mp_add_~i~0 % 256); 71979#L91-1 assume !(1 == mp_add_~i~0 % 256); 71977#L92-1 assume !(2 == mp_add_~i~0 % 256); 71978#L93-1 assume !(3 == mp_add_~i~0 % 256); 71996#L94-1 [2021-10-28 09:21:58,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:58,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1777905539, now seen corresponding path program 1 times [2021-10-28 09:21:58,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:58,698 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199303184] [2021-10-28 09:21:58,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:58,698 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:58,764 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:58,818 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:58,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:58,819 INFO L85 PathProgramCache]: Analyzing trace with hash 672830572, now seen corresponding path program 2 times [2021-10-28 09:21:58,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:58,819 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468459172] [2021-10-28 09:21:58,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:58,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:58,832 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:21:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:21:58,836 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:21:58,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:21:58,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1948062352, now seen corresponding path program 1 times [2021-10-28 09:21:58,837 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:21:58,837 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783961581] [2021-10-28 09:21:58,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:58,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:21:58,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 40 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:21:59,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:21:59,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783961581] [2021-10-28 09:21:59,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783961581] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:21:59,030 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [858043316] [2021-10-28 09:21:59,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:21:59,030 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:21:59,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:21:59,031 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:21:59,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Waiting until timeout for monitored process [2021-10-28 09:21:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:21:59,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 09:21:59,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:22:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 61 proven. 20 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-10-28 09:22:00,595 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [858043316] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:22:00,595 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:22:00,595 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2021-10-28 09:22:00,595 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648275013] [2021-10-28 09:22:00,721 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:22:00,721 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:22:00,721 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:22:00,721 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:22:00,721 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:22:00,721 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:00,722 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:22:00,722 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:22:00,722 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration30_Loop [2021-10-28 09:22:00,722 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:22:00,722 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:22:00,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:22:00,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:22:00,968 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:22:00,969 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:22:00,969 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:00,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:00,971 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:00,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:22:00,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:22:00,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-10-28 09:22:01,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:01,078 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:01,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:01,083 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:01,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:22:01,085 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:22:01,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-10-28 09:22:02,171 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:22:02,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-10-28 09:22:02,175 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:22:02,175 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:22:02,175 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:22:02,175 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:22:02,176 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:22:02,176 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,176 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:22:02,176 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:22:02,176 INFO L133 ssoRankerPreferences]: Filename of dumped script: byte_add_2-2.i_Iteration30_Loop [2021-10-28 09:22:02,176 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:22:02,176 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:22:02,177 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:22:02,183 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:22:02,399 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:22:02,399 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:22:02,399 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,400 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-10-28 09:22:02,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:22:02,410 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:22:02,411 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:22:02,411 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:02,437 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,438 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-10-28 09:22:02,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:22:02,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,448 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:22:02,451 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:22:02,451 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:02,479 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 09:22:02,479 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,480 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-10-28 09:22:02,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:22:02,504 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,504 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:22:02,506 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:22:02,506 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:02,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,534 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-10-28 09:22:02,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:22:02,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,545 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:22:02,548 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:22:02,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-10-28 09:22:02,577 INFO L490 LassoAnalysis]: Using template '3-nested'. [2021-10-28 09:22:02,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,578 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-10-28 09:22:02,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:22:02,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,589 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:22:02,591 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:22:02,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-10-28 09:22:02,619 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,620 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-10-28 09:22:02,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:22:02,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,630 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:22:02,634 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:22:02,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-10-28 09:22:02,664 INFO L490 LassoAnalysis]: Using template '4-nested'. [2021-10-28 09:22:02,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,665 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-10-28 09:22:02,666 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:22:02,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,675 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:22:02,678 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:22:02,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-10-28 09:22:02,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,708 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-10-28 09:22:02,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:22:02,718 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,719 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:22:02,724 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:22:02,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-10-28 09:22:02,755 INFO L490 LassoAnalysis]: Using template '2-phase'. [2021-10-28 09:22:02,755 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,756 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-10-28 09:22:02,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,767 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:02,767 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:22:02,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,767 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:22:02,769 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:22:02,769 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:02,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,798 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-10-28 09:22:02,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,807 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:02,808 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:22:02,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,808 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 09:22:02,811 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 09:22:02,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-10-28 09:22:02,842 INFO L490 LassoAnalysis]: Using template '3-phase'. [2021-10-28 09:22:02,842 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,843 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-10-28 09:22:02,844 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,853 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:02,853 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:22:02,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,854 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:22:02,856 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:22:02,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2021-10-28 09:22:02,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,888 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-10-28 09:22:02,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,898 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:02,898 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2021-10-28 09:22:02,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,899 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:22:02,903 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:22:02,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2021-10-28 09:22:02,938 INFO L490 LassoAnalysis]: Using template '4-phase'. [2021-10-28 09:22:02,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,939 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-10-28 09:22:02,940 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,949 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:02,949 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:22:02,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,950 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:22:02,953 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:22:02,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:02,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:02,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-10-28 09:22:02,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:02,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:02,988 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:02,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-10-28 09:22:02,989 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:02,998 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:02,998 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:22:02,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:02,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:02,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:02,999 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2021-10-28 09:22:03,007 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2021-10-28 09:22:03,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:03,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:03,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2021-10-28 09:22:03,052 INFO L490 LassoAnalysis]: Using template '2-lex'. [2021-10-28 09:22:03,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:03,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:03,053 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:03,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-10-28 09:22:03,054 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:03,063 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:03,063 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:22:03,063 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:03,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:03,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:03,063 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:22:03,066 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:22:03,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:03,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:03,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-10-28 09:22:03,094 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:03,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:03,095 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:03,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-10-28 09:22:03,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:03,106 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:03,106 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2021-10-28 09:22:03,106 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:03,106 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:03,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:03,106 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2021-10-28 09:22:03,111 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 09:22:03,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:03,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:03,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-10-28 09:22:03,143 INFO L490 LassoAnalysis]: Using template '3-lex'. [2021-10-28 09:22:03,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:03,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:03,144 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:03,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-10-28 09:22:03,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:03,154 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:03,155 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:22:03,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:03,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:03,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:03,155 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:22:03,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:22:03,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:03,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:03,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:03,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:22:03,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:22:03,193 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:22:03,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-10-28 09:22:03,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:22:03,204 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2021-10-28 09:22:03,204 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2021-10-28 09:22:03,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:22:03,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:22:03,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:22:03,204 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2021-10-28 09:22:03,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:22:03,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:22:03,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:22:03,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2021-10-28 09:22:03,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:22:03,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 09:22:03,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2021-10-28 09:22:03,248 INFO L87 Difference]: Start difference. First operand 93 states and 98 transitions. cyclomatic complexity: 6 Second operand has 12 states, 12 states have (on average 11.0) internal successors, (132), 12 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:22:04,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:22:04,142 INFO L93 Difference]: Finished difference Result 92 states and 94 transitions. [2021-10-28 09:22:04,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-28 09:22:04,143 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 92 states and 94 transitions. [2021-10-28 09:22:04,144 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:22:04,144 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 92 states to 0 states and 0 transitions. [2021-10-28 09:22:04,144 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:22:04,144 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:22:04,144 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:22:04,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:22:04,145 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:22:04,145 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:22:04,145 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:22:04,145 INFO L425 BuchiCegarLoop]: ======== Iteration 31============ [2021-10-28 09:22:04,145 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:22:04,145 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:22:04,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:22:04,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:22:04 BoogieIcfgContainer [2021-10-28 09:22:04,152 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:22:04,153 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:22:04,153 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:22:04,153 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:22:04,154 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:20:56" (3/4) ... [2021-10-28 09:22:04,158 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:22:04,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:22:04,165 INFO L168 Benchmark]: Toolchain (without parser) took 68311.81 ms. Allocated memory was 94.4 MB in the beginning and 497.0 MB in the end (delta: 402.7 MB). Free memory was 58.7 MB in the beginning and 253.4 MB in the end (delta: -194.7 MB). Peak memory consumption was 206.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:04,165 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:22:04,166 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.33 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 70.2 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:04,167 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.26 ms. Allocated memory is still 94.4 MB. Free memory was 70.2 MB in the beginning and 68.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:04,167 INFO L168 Benchmark]: Boogie Preprocessor took 33.28 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:22:04,168 INFO L168 Benchmark]: RCFGBuilder took 467.72 ms. Allocated memory is still 94.4 MB. Free memory was 66.9 MB in the beginning and 54.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:04,168 INFO L168 Benchmark]: BuchiAutomizer took 67376.74 ms. Allocated memory was 94.4 MB in the beginning and 497.0 MB in the end (delta: 402.7 MB). Free memory was 54.0 MB in the beginning and 253.4 MB in the end (delta: -199.3 MB). Peak memory consumption was 202.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:22:04,169 INFO L168 Benchmark]: Witness Printer took 5.72 ms. Allocated memory is still 497.0 MB. Free memory is still 253.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:22:04,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 94.4 MB. Free memory is still 75.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.33 ms. Allocated memory is still 94.4 MB. Free memory was 58.5 MB in the beginning and 70.2 MB in the end (delta: -11.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 50.26 ms. Allocated memory is still 94.4 MB. Free memory was 70.2 MB in the beginning and 68.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.28 ms. Allocated memory is still 94.4 MB. Free memory was 68.2 MB in the beginning and 67.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 467.72 ms. Allocated memory is still 94.4 MB. Free memory was 66.9 MB in the beginning and 54.3 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 67376.74 ms. Allocated memory was 94.4 MB in the beginning and 497.0 MB in the end (delta: 402.7 MB). Free memory was 54.0 MB in the beginning and 253.4 MB in the end (delta: -199.3 MB). Peak memory consumption was 202.6 MB. Max. memory is 16.1 GB. * Witness Printer took 5.72 ms. Allocated memory is still 497.0 MB. Free memory is still 253.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 30 terminating modules (30 trivial, 0 deterministic, 0 nondeterministic). 30 modules have a trivial ranking function, the largest among these consists of 17 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 67.3s and 31 iterations. TraceHistogramMax:7. Analysis of lassos took 43.4s. Construction of modules took 14.4s. Büchi inclusion checks took 7.4s. Highest rank in rank-based complementation 0. Minimization of det autom 30. Minimization of nondet autom 0. Automata minimization 0.8s AutomataMinimizationTime, 29 MinimizatonAttempts, 13356 StatesRemovedByMinimization, 27 NontrivialMinimizations. Non-live state removal took 0.6s Buchi closure took 0.0s. Biggest automaton had 3304 states and ocurred in iteration 13. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 1435 SDtfs, 5364 SDslu, 2979 SDs, 0 SdLazy, 10451 SolverSat, 1005 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time LassoAnalysisResults: nont0 unkn0 SFLI17 SFLT0 conc4 concLT0 SILN0 SILU2 SILI7 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital54 mio100 ax100 hnf100 lsp73 ukn100 mio100 lsp100 div490 bol100 ite100 ukn100 eq145 hnf45 smp76 dnf100 smp100 tf102 neg99 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 31ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 6 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 7.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:22:04,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (158)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:04,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (136)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:04,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (114)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:04,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (92)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:05,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:05,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:05,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (89)] Ended with exit code 0 [2021-10-28 09:22:05,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (88)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:05,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (87)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:06,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (86)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:06,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:06,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (84)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:06,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (83)] Ended with exit code 0 [2021-10-28 09:22:06,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (82)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:07,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Forceful destruction successful, exit code 0 [2021-10-28 09:22:07,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2021-10-28 09:22:07,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cd87338-6e46-4919-abf8-9749e98f71e7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...